Alliance Laundry Systems YT035E Troubleshooting Manual Download Page 24

Page: 24 / 224

70380601

Machine Troubleshooting

5. Motor Does Not Stop

Motor Does

Not Stop

Is the door

switch or lint

panel switch

not working

properly?

Test switches

and replace if

inoperative.

Is coin drop

not working

properly?

Test coin drop

and replace if

inoperative.

Is wiring

incorrect?

Refer to wiring

diagram.

Is electronic

control

inoperative?

Replace

electronic

control.

Is motor

relay

inoperative?

Test relay and

replace if

inoperative.

Yes

TMB2038S

Summary of Contents for YT035E

Page 1: ...January 2013 Tumble Dryers 25 Pound Capacity 30 Pound Capacity 35 Pound Capacity 55 Pound Capacity Starting Serial No 0602004144 Refer to Page 7 for Model Numbers STAR T 25C HIGH TEMP MED TEMP LOW TEMP NO HEAT 1 2 3 SELEC T TEMP INSER T COIN PUSH START T463PE1A ...

Page 2: ......

Page 3: ...p 22 6 No Heat Condition Non CE and Non Australian Models 23 7 Burner Does Not Ignite 25 8 Burner Ignites and Goes Out Repeatedly 28 9 Burner Does Not Shut Off 29 10 Clothes Do Not Dry 30 11 Tumble Dryer Overheating 32 12 Burner Not Burning Properly 33 13 Loading Door Opens During Operation 34 14 Cylinder Continues to Spin with Door Open 35 15 Coin Does Not Fall into Coin Vault or Coin Drop Sensor...

Page 4: ...ol Circuit Connection 78 Electric Models Control Box Connection 79 Control Box Schematic 80 Section 7 On Premise Micro Control Troubleshooting 81 Models with OM Control Suffix 33 Control Has No Display 82 34 Door Open Indicator 84 35 Motor Will Not Start Run 87 36 Unit Will Not Heat Gas 90 37 Unit Will Not Heat Steam 93 38 Unit Will Not Heat Electric 96 39 Error Codes 99 Section 8 NetMaster Troubl...

Page 5: ... Not Heat Electric 160 66 CE Models No Display 163 67 CE Models Door Open Indicator 165 68 CE Models No Start Run 167 69 CE Models Will Not Heat Gas Steam 169 70 CE Models Will Not Heat Electric 172 Section 11 LED OPL and UniLinc Troubleshooting 175 Models with EO RE RU and UO Control Suffixes 71 No Fan Motor Rotation 176 72 No Drive Motor Rotation 179 73 Stove and Cabinet Limit Errors 182 74 No D...

Page 6: ...ms LLC DO NOT COPY or TRANSMIT 86 Rotation Sensor Error 202 87 Shorted or Open Thermistor 204 88 Fuses and Transformer Configuration Jumper 206 89 Dip Switch Harness Index Mismatch 207 90 Electronic Control Testing 208 91 Diagnostic Testing 216 ...

Page 7: ... operation of this machine follow Danger indicates an imminently hazardous situation that if not avoided will cause severe personal injury or death DANGER Warning indicates a hazardous situation that if not avoided could cause severe personal injury or death WARNING Caution indicates a hazardous situation that if not avoided may cause minor or moderate personal injury or property damage CAUTION Fa...

Page 8: ...r dealer distributor service agent or the manufacturer on any problems or conditions you do not understand To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the tumble dryer before servicing Never start the tumble dryer with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to e...

Page 9: ...and maintenance of your tumble dryer Please take the time to review these warnings before proceeding with service work All decals have been designed and applied to withstand washing and cleaning Decals should be checked periodically to be sure they have not been damaged removed or painted Safety Precautions for Servicing Tumble Dryers Prior to servicing tumble dryer Disconnect electrical service a...

Page 10: ...8 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Safety Information ...

Page 11: ...5E2 CU025E DR25E2 BT025E DR25E2 BU025E GT025E GU025E HT025E HU025E IPD25E2 IT025E KT025E KU025E LT025E LU025E PT025E PU025E ST025E SU025E UT025E UU025E YT025E YU025E 30 Pound CHD30G2 CA030L CHD30G2 CA030N CHD30G2 CT030L CHD30G2 CT030N CHD30G2 CU030L CHD30G2 CU030N CK030N DR30G2 BA030L DR30G2 BA030N DR30G2 BK030N DR30G2 BT030D DR30G2 BT030L DR30G2 BT030N DR30G2 BU030L DR30G2 BU030N GA030L GA030N GT...

Page 12: ...35S2 BT035S DR35S2 BU035S GT035S GU035S HT035S HU035S IPD35S2 IT035S KT035S KU035S LT035S LU035S PT035S PU035S ST035S SU035S UT035S UU035S YT035S YU035S AT035E CHD35E2 CT035E CHD35E2 CU035E DR35E2 BT035E DR35E2 BU035E GT035E GU035E HT035E HU035E IPD35E2 IT035E KT035E KU035E LT035E LU035E PT035E PU035E ST035E SU035E UT035E UU035E YT035E YU035E 55 Pound CA055L CA055N CK055N CT055L CT055N CU055L CU05...

Page 13: ...rep for card KZ reversing prep for card LB reversing network adaptable coin LC network adaptable coin LW reversing network adaptable prep for coin LX network adaptable prep for coin LY network adaptable prep for card LZ reversing network adaptable prep for card NC NetMaster coin NR NetMaster card NX NetMaster prep for coin NY NetMaster prep for card OM OPL micro QT dual digital timer R3 reversing ...

Page 14: ...literature or replacement parts are required contact the source from which the machine was purchased or contact Alliance Laundry Systems at 920 748 3950 for the name and address of the nearest authorized parts distributor For technical assistance call 1 920 748 3121 Wiring Diagram The wiring diagram is located inside the contactor or junction box The wiring diagram part number is located in the lo...

Page 15: ...n pulls room temperature air in through the air intake at the rear of the tumble dryer and over the heat source burner flame for gas heating element for electric and coil for steam The heated air moves into the cylinder where it is circulated through the wet load by the tumbling action of the cylinder The air then passes through the lint filter exhaust fan and is vented to the outdoors 1 2 3 T001C...

Page 16: ...ned to stop or eliminate high temperature and spontaneous combustion situations Follow all instructions in the installation manual to ensure the fire suppression system operates properly Train all operators in the proper preventative maintenance of the fire suppression system IMPORTANT For safety purposes do not operate tumble dryer if a fire has occurred Figure 1 TMB2257N 1 Temperature Sensors 4 ...

Page 17: ...the tumble dryer to provide temperature readings Refer to Figure 1 and Figure 2 These temperature sensors will trigger a mode change based on a pre set temperature trip point Figure 2 TMB1999N 1 Opening for Auxiliary Alarm Cable 5 Light 2 Fuse 6 Reset Button 3 Auxiliary Alarm Fast On Connection 7 Auxiliary Alarm Fast On Connection 4 Test Button TMB1999N 3 4 5 6 7 1 2 ...

Page 18: ...ront will not operate Remain in this mode for 90 seconds then enter Lockout Mode Can enter Lockout Error Mode if both temperature sensors become open which occurs when temperature is below 40 F 4 C Will enter Idle Mode if reset button is pressed Refer to Figure 2 Lockout Mode Machine is disabled and controls on front will not operate Control monitors temperature readings Enters Water On Mode if te...

Page 19: ...plosion serious injury or death Disconnect electric power to the tumble dryer before servicing Close gas shut off valve to gas tumble dryer before servicing Close steam valve to steam tumble dryer before servicing Never start the tumble dryer with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumble dryer is p...

Page 20: ...t proper amount of coins are inserted Is the START button not properly activated Hybrid Timer Models Press and hold START button for three seconds Is the electrical power off or circuit breaker or fuse blown Close and lock lint panel Check fuse in junction box and replace if necessary Is there a blown fuse on tumble dryer Test coin drop and replace if inoperative Yes Is coin drop inoperative Is th...

Page 21: ... adjustment Yes Is the start circuit not complete Yes Press and hold START button for three seconds Is the motor inoperative Yes Have motor tested and replace if inoperative No Is the cylinder or cylinder motor binding No Refer to wiring diagram Yes Replace fan or motor assembly Yes Replace cylinder bearing rollers or motor assembly Yes Is the transformer inoperative Yes Test and replace if necess...

Page 22: ...lothes load too large No Remove part of load Yes Is clothes cylinder binding Check cylinder for binding Is wiring adequate No Yes No Check with local power company to ensure that wiring is adequate Yes Is make up air adequate Refer to Installation Manual for make up air requirements No Yes Is there lint buildup around tumble dryer or poor maintenance Clean lint accumulation on and around the motor...

Page 23: ...ms LLC DO NOT COPY or TRANSMIT Machine Troubleshooting 4 Motor Runs But Cylinder Does Not Turn Motor Runs But Cylinder Does Not Turn Is cylinder belt broken Replace cylinder belt Is cylinder binding Check cylinder for binding Yes No Yes TMB1905S ...

Page 24: ...int panel switch not working properly Test switches and replace if inoperative Is coin drop not working properly Test coin drop and replace if inoperative Is wiring incorrect Refer to wiring diagram Is electronic control inoperative Replace electronic control Is motor relay inoperative Test relay and replace if inoperative Yes No Yes No Yes No Yes No Yes TMB2038S ...

Page 25: ...lve coils and will not be restored until voltage is cycled at the module Intermittent Heat Test Procedure On ignition control modules with date codes higher than 08t2 perform the following test Start the tumble dryer and run for 10 minutes verify that the tumble dryer is heating properly After the 10 minute cycle re start the tumble dryer and once again verify the unit is heating Repeat this proce...

Page 26: ... good replace module Yes Yes Is there continuity between GND terminal on module and machine No No Does the igniter spark but no flame is produced No Yes Is there 24 volts AC at the gas valve coils when igniter is sparking Is the igniter positioned properly in the flame and does the flame look good Does the igniter spark Verify that gas is supplied to the machine If gas and voltage are present repl...

Page 27: ...pressure Check manifold pressure and adjust to pressure specified on serial plate If pressure cannot be obtained have your local gas company check main gas pressure No Is there inadequate ductwork and make up air No Tumble Dryer is equipped for type of gas specified on serial plate If orifices are different from that specified on serial plate obtain and install correct orifices Yes Clean lint comp...

Page 28: ...necessary Is gas shut off valve in the closed position Yes Open shut off valve Is motor switch inoperative No Replace IEI control Yes Replace motor Yes Is the IEI control inoperative TMB2187S b Yes Connect ground wire to ground terminal Is the ground wire from Instant Electronic Ignition IEI board not connected to ground terminal No Is there broken loose or incorrect wiring Yes Refer to wiring dia...

Page 29: ...ong transformer configuration harness installed Yes Check incoming voltage and install correct configuration harness TMB2187S c Is there an inoperative microprocessor or hybrid timer Yes No Is Instant Electronic Ignition IEI control in safety lockout Reset IEI control by opening and closing loading door Non CE models only Reset IEI by pressing reset button on back of unit CE models only No Yes ...

Page 30: ...yer have improper orifices Yes Tumble Dryer is equipped for type of gas specified on serial plate If orifices are different from that specified on serial plate obtain and install correct orifices No Is there excessive igniter to burner clearance Yes Refer to Paragraph 43 Is there inadequate make up air Yes Refer to Installation Manual for make up air requirements No Is the thermistor inoperative Y...

Page 31: ...ne Troubleshooting 9 Burner Does Not Shut Off Burner Does Not Shut Off Are there impurities on gas valve seat preventing valve from closing Replace gas valve Is wiring correct Refer to wiring diagram Is control heater relay malfunctioning Replace control Yes No Yes No Yes TMB1909S ...

Page 32: ...ble dryer etc Is the exhaust system improper or inadequate Yes Refer to Installation Manual for exhaust system requirements No Is the voltage incorrect No Refer to Paragraph 7 Yes Set selector for higher setting Yes Refer to Installation Manual for electrical requirements Yes Is there inadequate make up air Yes Refer to Installation Manual for make up air requirements Is the exhaust duct to the ou...

Page 33: ...hermistor inoperative No Clean lint screen Yes Replace thermistor Yes Is the exhaust damper binding Yes Adjust damper so it turns freely Is the cylinder speed too fast Yes Check belt is not riding on outer diameter of motor pulley TMB1910S b No No Yes Check for proper alignment make sure locator pins are securely in place and tighten mounting screws Is airflow switch bracket mounted properly No ...

Page 34: ...ldup Is the exhaust system restricted or inadequate Yes Remove obstruction or lint build up from exhaust ductwork Refer toInstallation Manual for exhaust system requirements No Is the control heater relay malfunctioning No Check wiring to ensure thermistor is connected Replace thermistor if necessary Remove lint build up on thermistor Yes Adjust damper so it turns freely Yes Replace control Yes Ar...

Page 35: ...the airflow switch not functioning properly Yes Replace airflow switch Is there inadequate make up air Yes Refer to Installation Manual for make up air requirements TMB1912S No Yes Clean off lint Is there lint buildup around gas valve spud No Does the tumble dryer have incorrect orifices Yes Tumble Dryer is equipped for the type of gas specified on serial plate If orifices are different from that ...

Page 36: ...Operation Loading Door Opens During Operation Is tumble dryer improperly leveled Refer toInstallation Manual for leveling leg adjustment Is clothes load too large Remove part of load and restart tumble dryer Is loading door strike adjusted incorrectly Refer to Adjustments Section for strike adjustment Yes No Yes No Yes TMB1913S ...

Page 37: ...TRANSMIT Machine Troubleshooting 14 Cylinder Continues to Spin with Door Open Cylinder Continues To Spin With Door Open Is relay inoperative Replace relay in control box Yes TMB1914S NOTE All tumble dryer panels must be in place and on the machine for proper operation ...

Page 38: ... or Coin Drop Sensor Does Not Register That Coin Has Been Entered Is proper electrical power supplied to coin drop Incorrect electrical connection may prevent coins from registering in coin drop Refer to wiring diagram No Is machine level Machines that are not level may prevent coins from following through required check stages of drop Refer to Installation Manual for instructions on leveling mach...

Page 39: ...d down coin drop cover and insert coin Refer to Figure 4 3 If coin drop now operates properly replace tension spring using instructions on following pages Replace Tension Spring 1 Move tension spring downward until cover catch is free Refer to Figure 5 2 Open cover for coin drop 3 Place a small flathead screwdriver under right side of tension spring and lift up Refer to Figure 6 4 Use screwdriver ...

Page 40: ... screwdriver to push spring under center tab Refer to Figure 10 13 Lift spring gently to place in position under left tab 14 Push spring to right until it snaps into position Refer to Figure 6 15 Close coin drop cover 16 Move tension spring over cover catch Refer to Figure 5 Reinstall Coin Drop Into Machine 1 Reinstall coin drop into machine 2 Reconnect electrical power to machine and drop 3 Add a...

Page 41: ...pad such as Scotch Brite to clean the inside of the cylinder 1 Spray the cleaner on the discolored areas and let soak for a few minutes 2 Using the pad scrub the areas until the discoloration is removed 3 Repeat steps 1 2 as necessary 4 Thoroughly wipe the entire cylinder after cleaning to insure the cleaner has been removed Stainless Steel Cylinders For stainless steel cylinders use a heavy duty ...

Page 42: ...onic controls use a ground wrist strap Due to the sensitivity of electronic controls careful handling is required Wrist strap cord and alligator clip are designed to carry away any electrostatic charge from your body and to direct charge to an available ground By using this static protection device potential electrostatic discharge problems associated with handling of electronic control will be mi...

Page 43: ...ower to the tumble dryer DO NOT disconnect water to the tumble dryer DO NOT touch the tumble dryer Does tumble dryer operate after pressing the reset button for at least one second Is there power 5 Volts DC between H2 3 and H2 4 of the reset button Disconnect power to tumble dryer Run a continuity test across the reset switch Is it shorted Replace fire suppression system control board Replace rese...

Page 44: ...g these ground wires must be reconnected to ensure that the tumble dryer is properly grounded W002R1 WARNING TMB2258N Is the resistance for both temperature sensors within the acceptable range Sensor 1 H4 1 to H4 2 Sensor 2 H4 4 to H4 3 Replace fire suppression system control board Yes Acceptable resistance ranges from 150K Ohms to 19K Ohms in temperature ranges from 40 to 120 F 4 to 48 C Reset fi...

Page 45: ... start the tumble dryer with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumble dryer is properly grounded W002R1 WARNING TMB2198N Is voltage to fire suppression system control 24 VAC between H1 7 and H1 1 Is fuse F1 on fire suppression system control blown Is voltage to light 2 VDC between H2 1 and H2 2 Rep...

Page 46: ...ter is supplied to valve at the proper pressure and flow rate Refer to Installation section Make corrections to meet water requirements of system No Retest Turn off tumble dryer Are water inlet screens clogged Yes Clean inlet screens then turn on water Retest Yes Are water hoses or the manifold nozzle clogged Clear any debris Reset fire suppression system control Retest Using an AC voltmeter withi...

Page 47: ...70380601 45 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Fire Supression System Troubleshooting FIRE SUPPRESSION SYSTEM CONTROL BOARD TMB2200N ...

Page 48: ...e switch bend switch actuator OUTWARD and repeat steps a and b 22 Loading Door Strike Refer to Figure 11 The door strike must be adjusted so that sufficient tension holds loading door closed against the force of a load tumbling against it The door is properly adjusted when 8 15 lbs 3 60 6 75 kg of pull is required to open door If adjustment is needed follow these steps a Open loading door b Loosen...

Page 49: ... If the door is striking high push down on the door and while maintaing pressure tighten both hinge bolts Re check strike position and repeat until position is correct 24 Cleaning Coin Drop NOTE The coin drop should be cleaned once a year Clean the drop more often if it is exposed to high levels of residue or lint build up a Disconnect electrical power to machine and drop b Remove coin drop from m...

Page 50: ...a soft brush and wipe exposed surfaces with an alcohol moistened cloth Refer to Figure 16 or Figure 17 e Clean residue from coin rail with an alcohol moistened cloth Refer to Figure 18 DRY2408N Figure 15 DRY2090N Figure 16 DRY2408N Spring DRY2090N Old Style Spring Coin Drop DRY2405N Figure 17 DRY2406N Figure 18 DRY2405N New Style Spring Coin Drop Alcohol Moistened Cloth ...

Page 51: ...to Figure 19 g Close cover for coin drop h Coin Drops with OLD Style Spring Move spring back over cover catch i Reinstall coin drop into machine j Reconnect electrical power to machine and drop k Add a coin to drop to verify that coin drop is operating properly and that electrical connection is working properly DRY2407N Figure 19 DRY2407N Light Sensors ...

Page 52: ...servicing these ground wires must be reconnected to ensure that the tumble dryer is properly grounded W002R1 WARNING Does the display on the electronic control increment properly Is connector H2 on the control firmly seated in its receptacle Are wires exiting coin drop optical sensor cracked or broken Exit diagnostic testing and reset control Prompting for vend price Reconnect and run diagnostic t...

Page 53: ...ansformer primary Plug unit in and run it Correct wiring between primary fuse and power supply Replace primary fuse s Correct wiring between primary fuse and transformer Is there voltage across terminals 1 4 of transformer secondary Replace transformer Is there voltage at the input of the secondary fuse Is there voltage at output side of secondary fuse Correct wiring between secondary fuse and tra...

Page 54: ... 1 5A 24Vac Ret H3 1 H3 2 Iin 3 30ma TIME 20msec MIN START PULSE INPUT MACHINE RUNNING AVAILABLE OUTPUT SEE VEND APPLICATION DETAIL H2 2 H2 1 FS 2 H1 2 5 1 2 3 8 6 4 11 10 9 7 12 COIN DROPS H5 24Vac H1 4 1 2 3 4 5 6 7 H6 24Vac Ret Imax 5ma H3 3 H3 4 Vmax 28Vdc OPTO OFF WHEN HEAT RELAY MOTOR RELAY H2 5 DOOR SENSING CIRCUIT ALLOWS VOLTAGE CONFIGURATION INPUT JUMPER H2 2 TO H2 5 AS FOLLOWS 240Vac 13 ...

Page 55: ... fuse Correct wiring between secondary fuse and transformer Replace secondary fuse NO NO NO NO NO NO YES YES YES YES YES YES YES Is there voltage at N O of door switch Is there voltage at N O of lint panel switch Check for proper operation replace if necessary Correct wiring between N O on lint panel and COM on door switch Correct wiring between N O and output of secondary fuse Check for proper fu...

Page 56: ...24Vac Ret H3 1 H3 2 Iin 3 30ma TIME 20msec MIN START PULSE INPUT MACHINE RUNNING AVAILABLE OUTPUT SEE VEND APPLICATION DETAIL H2 2 H2 1 FS 2 H1 2 5 1 2 3 8 6 4 11 10 9 7 12 COIN DROPS H5 24Vac H1 4 1 2 3 4 5 6 7 H6 24Vac Ret Imax 5ma H3 3 H3 4 Vmax 28Vdc OPTO OFF WHEN HEAT RELAY MOTOR RELAY H2 5 DOOR SENSING CIRCUIT ALLOWS VOLTAGE CONFIGURATION INPUT JUMPER H2 2 TO H2 5 AS FOLLOWS 240Vac 13 6K ohm...

Page 57: ...elay and supply Replace motor control relay NO YES YES YES YES YES NO NO NO NO YES YES NO NO Note test conducted with vend price satisfied and start button pressed Correct wiring between L1 L2 and power supply Replace motor control relay Is the unit equipped with single phase or three phase power Is there supply voltage to L1 and L2 of the motor control relay Is there votlage across L1 T1 and L2 T...

Page 58: ...tage across terminals 1 4 of cylinder motor Does the cylinder motor run Correct wiring between cylinder motor and motor control relay Replace cylinder motor NO NO YES YES Motors are operational Note For high voltage three phase supply 380 volts or higher the cylinder and fan motors are supplied by L1 L2 L3 through the motor relay terminals T1 T2 T3 Make the appropriate adjustments when doing volta...

Page 59: ...EL RED BLK WHT VLT WHT RED BLK RED BLK RED WHT BLU WHT GRN YEL WHT 1 2 3 4 5 6 7 8 9 10 WHT WHT THERMISTOR BLK WHT H4 025 030 MODELS 035 055 MODELS 24Vac Ret H3 1 H3 2 Iin 3 30ma TIME 20msec MIN START PULSE INPUT MACHINE RUNNING AVAILABLE OUTPUT SEE VEND APPLICATION DETAIL H2 2 H2 1 FS 2 H1 2 5 1 2 3 8 6 4 11 10 9 7 12 COIN DROPS H5 24Vac H1 4 1 2 3 4 5 6 7 H6 24Vac Ret Imax 5ma H3 3 H3 4 Vmax 28V...

Page 60: ...ATION JUMPER HC1 HC2 L3 T3 H3 H5 L2 T2 24V 4 0A 24V 1 5A 1 2 3 4 5 6 1 AUX THERM PROT 4 MAIN 1 MAIN 2 RUN 5 RUN MAIN 2 MAIN 1 4 FAN MOTOR THERM PROT AUX 1 CYLINDER MOTOR BLU BLK 3 GRY BLK M BLK BLK WHT BLK RED L1 L2 L3 T1 T2 T3 M M LT BLU LT BLU HC1 HC2 3 5 5 TEMP REGULATING HEAT RELAY CIRCUIT CONTROLS 3 2 1 5 FS 2 H2 1 4N25 24Vac Ret 24Vac MACHINE RUNNING H6 3 APPLICATION DETAIL SEE VEND H5 7 4 6...

Page 61: ...on airflow switch Is there voltage at terminal 7 of motor control relay Replace motor control relay Is there voltage across terminals 7 4 of motor control relay Correct wiring between terminal 3 of fan motor centrifugal switch and terminal 4 of motor control relay Is there voltage at terminal 3 of fan motor centrifugal switch Replace fan motor Is there voltage across terminals 3 5 of fan motor cen...

Page 62: ...S NO YES 14 Is there voltage across stove limit 2 Correct wiring between terminal 2 of ICM and stove limit 2 Is there voltage to terminal 2 of the Ignition Control Module ICM Replace ICM board Is there voltage at terminal 1 of ICM board Correct wiring between gas valve and ICM board Is there voltage across the coils of the gas valve NO YES NO YES NO YES 16 15 17 Note Make sure unit is not in a loc...

Page 63: ...70380601 61 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Unit Will Not Heat Gas TMB2217S 8 17 16 7 9 14 13 12 10 15 11 3 4 5 6 1 2 ...

Page 64: ... on airflow switch Is there voltage on terminal 7 of motor control relay Replace motor control relay Is there voltage across terminals 7 4 of motor control relay Correct wiring between terminal 3 of fan motor centrifugal switch and terminal 4 of motor control relay Is there voltage on terminal 3 of fan motor centrifugal switch Replace fan motor Is there voltage across terminals 3 5 of fan motor ce...

Page 65: ...of motor control relay Replace fan motor Correct wiring between cabinet limit and terminal 5 of fan motor centrifugal switch Replace cabinet limit Correct wiring between stove limit and cabinet limit Replace the stove limit Is there voltage across the stove limit Correct wiring between steam valve and stove limit Is there voltage across the coil of the steam valve NO YES NO YES 12 13 Does the stea...

Page 66: ...MP REGULATING HEAT RELAY CIRCUIT CONTROLS 3 2 1 5 FS 2 H2 1 4N25 24Vac Ret 24Vac MACHINE RUNNING H6 3 APPLICATION DETAIL SEE VEND H5 7 4 6 8 12 9 10 11 COIN DROPS H1 4 H1 2 2 1 6 5 4 6 7 Vmax 28Vdc Imax 5ma H3 5 4 3 HEAT RELAY MOTOR RELAY START PULSE INPUT AVAILABLE OUTPUT TIME 20msec MIN Iin 3 30ma H3 1 H3 2 OPTO OFF WHEN H3 3 H3 4 MDC CONTROL 120Vac 6 8K ohm 5 watt 24Vac WIRE JUMPER 240Vac 13 6K...

Page 67: ...nal on airflow switch Is there voltage at terminal 14 of motor control relay Replace motor control relay Is there voltage across terminals 13 14 of motor control relay Correct wiring between terminal 3 of fan motor centrifugal switch and terminal 13 of motor control relay Is there voltage at terminal 3 of fan motor centrifugal switch Replace fan motor Is there voltage across terminals 3 5 of fan m...

Page 68: ...actor s NO YES NO YES 12 13 Is there voltage to the L1 L2 and L3 terminals of HC1 Correct wiring between HC1 and line voltage Do all elements produce heat Check elements for shorts or opens Check wires between contactors and elements Is there voltage across T1 T2 T2 T3 and T3 T1 Check for proper operation of contactors replace them if necessary Is there voltage to the L1 L2 and L3 terminals of HC2...

Page 69: ...STAT VLT VLT WHT TB1 L3 TB1 L2 TB1 L1 SEE TRANSFORMER CONFIGURATION JUMPER HC2 L3 T3 T1 L1 HC2 HC1 HC2 HC1 HC1 L3 T3 H3 H5 L2 T2 L2 T2 H2 H4 L1 T1 H1 H6 24V 4 0A 24V 1 5A 1 2 3 4 5 6 HC1 HC2 3 5 5 TEMP REGULATING HEAT RELAY CIRCUIT CONTROLS 3 2 1 5 FS 2 H2 1 4N25 24Vac Ret 24Vac MACHINE RUNNING H6 3 APPLICATION DETAIL SEE VEND H5 7 4 6 8 12 9 10 11 COIN DROPS H1 4 H1 2 2 1 6 5 4 6 7 Vmax 28Vdc Ima...

Page 70: ...r to the dryer s before servicing Close gas shut off valve to gas dryer s before servicing Never start the dryer s with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the dryer is properly grounded W001R1 WARNING Display Definition Corrective Action OP Indicates an open circuit in the thermistor Check thermistor Re...

Page 71: ...70380601 69 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Gas and Steam Models Control Circuit Schematic TMB2241S ...

Page 72: ...70 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Gas and Steam Models Control Circuit Connection TMB2221S ...

Page 73: ...70380601 71 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Gas and Steam Models Control Box Schematic TMB2027S ...

Page 74: ...72 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Gas and Steam Models Control Box Connection TMB2026S ...

Page 75: ...70380601 73 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Gas and Steam Models Control Circuit Schematic TMB2222S ...

Page 76: ...74 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Gas and Steam Models Control Circuit Schematic TMB2223S ...

Page 77: ...70380601 75 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Gas and Steam Models Control Box Schematic TMB2027S ...

Page 78: ...76 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Gas and Steam Models Control Box Connection TMB2026S ...

Page 79: ...70380601 77 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Electric Models Control Circuit Schematic TMB2220S ...

Page 80: ...78 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Electric Models Control Circuit Connection TMB2224S ...

Page 81: ...70380601 79 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Electric Models Control Box Connection TMB2030S ...

Page 82: ...80 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Electric Models Control Box Schematic TMB2031S ...

Page 83: ... injury or death Disconnect electric power to the tumble dryer before servicing Close gas shut off valve to gas tumble dryer before servicing Close steam valve to steam tumble dryer before servicing Never start the tumble dryer with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumble dryer is properly grounde...

Page 84: ...20 VAC across terminals 1 2 of transformer primary No Correct wiring between primary fuse and transformer Is there 24 VAC across terminals 1 4 of transformer secondary No Replace transformer TMB2251S Yes No Correct wiring between transformer and control Is there 24 VAC across H3 3 and H3 4 on the control Yes Is there 120 VAC at output side of the primary fuses No Replace primary fuse s Yes Gas ste...

Page 85: ...70380601 83 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT On Premise Micro Control OM Troubleshooting Control Has No Display TMB2280S 4 2 3 5 1 6 ...

Page 86: ...r primary No Correct wiring between primary fuses and transformer TMB2252S a Yes No Replace transformer Is there 24 VAC across terminals 2 3 of transformer secondary Yes Is there 120 VAC at input of primary fuses No Correct wiring between primary fuses and power supply Yes Gas steam and electric heat Single and three phase power supply 1 2 3 4 5 Yes Reference voltage checks to transformer neutral ...

Page 87: ...tch Is there 24 VAC at COM of lint panel switch Yes Check for proper function of door switch replace if necessary No Correct wiring between N O on door switch and COM on lint panel switch No TMB2252S b Is there 24 VAC at N O of lint panel switch with lint panel closed No Check lint panel switch for proper operation replace if necessary Yes 9 11 Correct wiring between H2 8 of electronic control and...

Page 88: ...86 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT On Premise Micro Control OM Troubleshooting Door Open Indicator TMB2280S 4 2 3 5 1 8 10 7 6 11 9 ...

Page 89: ...r and motor control relay Is there supply voltage across terminals 1 4 of the motor Yes Is the unit equipped with single phase or three phase power Yes Gas steam and electric heat Single and three phase power supply 1 2 3 4 5 Note Test conducted with vend price satisfied and start button pressed Note For high voltage three phase supply 200 volts or higher the motor is supplied by L1 L2 L3 through ...

Page 90: ...88 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT On Premise Micro Control OM Troubleshooting Motor Will Not Start Run Single Phase TMB2280S 1 2 5 4 3 ...

Page 91: ...70380601 89 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT On Premise Micro Control OM Troubleshooting Motor Will Not Start Run 3 Phase TMB2281S 6 7 8 2 1 ...

Page 92: ... Tests are conducted with unit running and calling for heat Is the thermistor operational No Replace control 5 Replace motor contactor No Yes Yes No Is there voltage to the input of the stove limit 1 Correct wiring between stove limit 1 and normally open terminal of the airflow switch 10 No Continued on next page Yes Is there voltage to the N O terminal of the airflow switch No Correct wiring betw...

Page 93: ...15 Yes Is there voltage to terminal 2 of the Ignition Control Module ICM Yes No Does the igniter spark Replace high voltage ignition cable igniter or ICM board Is there a flame Unit operational Is there voltage across the coils of the gas valve No Correct wiring between gas valve and ICM board 16 Yes Is there gas flow through the gas valve Replace gas valve coils or complete gas valve Yes Yes No Y...

Page 94: ...92 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT On Premise Micro Control OM Troubleshooting Unit Will Not Heat Gas TMB2280S 1 2 3 4 11 5 10 6 7 8 9 12 15 16 13 14 ...

Page 95: ...there voltage to the N O terminal of the airflow switch No Correct wiring between airflow switch and cabinet limit Is there voltage to the common of the airflow switch 2 3 4 Check for proper operation of airflow switch Replace if necessary Yes No Yes No Yes Yes 7 6 Yes 8 Correct wiring between cabinet limit and terminal 5 of fan motor No Yes No 9 Is there voltage at ORG WHT wire on motor contactor...

Page 96: ...ollowing page for wiring diagram information TMB2284S b Is there 24 VAC across the coil of the steam valve No Correct wiring between steam valve coil and motor Does the steam valve coil have continuity No Replace the steam valve coil Yes No Connect the steam supply Is the steam supply functional Yes 10 Replace or rebuild the steam valve Yes Continued from previous page ...

Page 97: ...70380601 95 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT On Premise Micro Control OM Troubleshooting Unit Will Not Heat Steam TMB2280S 1 2 3 4 5 6 7 8 9 10 ...

Page 98: ... 9 Note Tests are conducted with unit running and calling for heat Is the thermistor operational No Replace control 5 Replace motor contactor No Yes Yes No Is there voltage to the input of the stove limit Correct wiring between stove limit and normally open terminal of the airflow switch 10 No Continued on next page Yes Is there voltage to the N O terminal of the airflow switch No Correct wiring b...

Page 99: ...ation of stove limit Replace if necessary No Correct wiring between HC2 and line voltage No TMB2286S b No Correct wiring between HC1 and line voltage Yes 11 13 Continued from previous page 12 Is there supply voltage across T1 T2 T2 T3 and T1 T3 No Check for proper operation of contactors replace them if necessary 14 15 Yes Do all elements produce heat glow a slight orange color Check elements for ...

Page 100: ...98 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT On Premise Micro Control OM Troubleshooting Unit Will Not Heat Electric TMB2285S 2 3 5 7 4 6 8 9 10 11 12 14 13 15 1 ...

Page 101: ... s before servicing Close gas shut off valve to gas dryer s before servicing Never start the dryer s with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the dryer is properly grounded W001R1 WARNING Display Definition Corrective Action OP Indicates an open circuit in the thermistor Check thermistor Replace if inope...

Page 102: ...ed W002R1 WARNING Check the following IR communication disabled by manual programming Is the IR window on the control covered or blocked if needed change control board Check the following low battery in handheld communication device low battery in the Symbol SPT 1800 infra red box poor connection between IR cup and Micro Wand poor connection between IR box and Symbol SPT 1800 is the IR window cove...

Page 103: ...coin drop and control connected correctly Are wires exiting coin drop optical sensor cracked or broken Exit diagnostic testing and reset control Prompting for vend price Reconnect and run diagnostic test again Reconnect and run diagnostic test again Replace coin drop or optic switch Replace coin drop If problem still exists then replace the electronic control Start coin drop diagnostic tests YES N...

Page 104: ...lug unit in and run it Correct wiring between primary fuse and power supply Replace primary fuse s Correct wiring between primary fuse and transformer Is there voltage across terminals 1 4 of transformer secondary Replace transformer Is there voltage at the input of the secondary fuse Is there voltage at output side of secondary fuse Correct wiring between secondary fuse and transformer Replace se...

Page 105: ...70380601 103 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Control Has No Display TMB2225S 1 2 3 4 5 6 7 ...

Page 106: ...ct wiring between secondary fuse and transformer Replace secondary fuse NO NO NO NO NO NO YES YES YES YES YES YES YES Is there voltage at N O of door switch Is there voltage at N O of lint panel switch Check for proper operation replace if necessary Correct wiring between N O on lint panel and COM on door switch Correct wiring between N O and output of secondary fuse Check for proper function of d...

Page 107: ...70380601 105 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Door Open Indicator TMB2226S 1 4 6 8 9 10 11 5 3 2 7 ...

Page 108: ... relay NO YES YES YES YES YES NO NO NO NO YES YES NO NO Note test conducted with vend price satisfied and start button pressed Note tests conducted with vend price satisfied and start button pressed Correct wiring between L1 L2 and power supply Replace motor control relay Is the unit equipped with single phase or three phase power Is there supply voltage to L1 and L2 of the motor control relay Is ...

Page 109: ...oss terminals 1 4 of cylinder motor Does the cylinder motor run Correct wiring between cylinder motor and motor control relay Replace cylinder motor NO NO YES YES Motors are operational Note For high voltage three phase supply 380 volts or higher the cylinder and fan motors are supplied by L1 L2 L3 through the motor relay terminals T1 T2 T3 Make the appropriate adjustments when doing voltage check...

Page 110: ...108 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Motor Will Not Start Run 1 Phase Models TMB2227S 1 3 2 4 8 7 6 9 5 ...

Page 111: ...70380601 109 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Motor Will Not Start 3 Phase Models TMB2228S 1 10 11 3 6 9 12 13 2 ...

Page 112: ...low switch Is there voltage at terminal 7 of motor control relay Replace motor control relay Is there voltage across terminals 7 4 of motor control relay Correct wiring between terminal 3 of fan motor centrifugal switch and terminal 4 of motor control relay Is there voltage at terminal 3 of fan motor centrifugal switch Replace fan motor Is there voltage across terminals 3 5 of fan motor centrifuga...

Page 113: ...nal 1 of ICM board Correct wiring between gas valve and ICM board Is there voltage across the coils of the gas valve Replace gas valve coils or complete gas valve Is there gas flow through the gas valve Replace high voltage ignition cable or igniter Does the igniter spark Unit operational Is there a flame NO YES NO YES NO YES NO YES NO NO YES YES 12 15 Correct wiring to input side of stove limit 2...

Page 114: ...112 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Unit Will Not Heat Gas TMB2229S 1 7 8 9 10 4 6 12 14 15 16 5 2 3 17 13 11 or or ...

Page 115: ...inal 7 of motor control relay Replace motor control relay Is there voltage across terminals 7 4 of motor control relay Correct wiring between terminal 3 of fan motor centrifugal switch and terminal 4 of motor control relay Is there voltage on terminal 3 of fan motor centrifugal switch Replace fan motor Is there voltage across terminals 3 5 of fan motor centrifugal switch Correct wiring between cab...

Page 116: ...114 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Unit Will Not Heat Steam TMB2230S 1 7 8 10 4 6 5 2 3 9 11 ...

Page 117: ...ervicing these ground wires must be reconnected to ensure that the tumble dryer is properly grounded W002R1 WARNING Does the light on the control increment properly Is connector H2 on the control firmly seated in its receptacle Are wires exiting coin drop optical sensor cracked or broken Exit diagnostic testing and reset control Prompting for vend price Reconnect and run diagnostic test again Reco...

Page 118: ...ss 2 3 of transformer secondary Is there volt age across terminals H1 3 H1 1 on hybrid timer Check H6 1 and H6 2 for 5 VDC Connect supply voltage and run unit Correct wiring between primary fuse and supply Replace primary fuse Correct wiring between transformer and primary fuse Replace transformer Correct wiring between hybrid timer and transformer secondary Replace hybrid control assembly YES 1 6...

Page 119: ...70380601 117 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Control Has No Display OPL Models Sheet 1 of 2 TMB2106S 1 2 3 4 1 2 3 1 2 3 4 1 2 3 4 4 ...

Page 120: ...118 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Control Has No Display OPL Models Sheet 2 of 2 TMB2222S 5 6 ...

Page 121: ...sformer secondary Replace transformer Is there voltage at the input of the secondary fuse Is there voltage at output side of secondary fuse Correct wiring between secondary fuse and transformer Replace secondary fuse Correct wiring between lint panel switch and hybrid control YES NO NO NO NO NO NO NO YES YES YES YES YES YES YES 1 2 3 4 5 6 7 Is there voltage at COM of door switch Connect wiring be...

Page 122: ...120 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Display Flashes dr With Door Closed OPL Models Sheet 1 of 2 TMB2222S 10 11 6 7 8 9 1 ...

Page 123: ...01 121 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Display Flashes dr With Door Closed OPL Models Sheet 2 of 2 TMB2108S 2 3 4 5 2 3 4 2 3 4 2 3 4 5 5 5 ...

Page 124: ...utput side of the secondary fuse Correct wiring between the primary fuse and the terminal block No Yes Correct wiring between the transformer and the secondary fuse Yes Replace secondary fuse Is there voltage at the output side of the primary fuse Replace the primary fuse Correct wiring between the primary fuse and the transformer Replace transformer Yes No Yes No No No Yes No Is there voltage at ...

Page 125: ...nt drawer switch Is there power at H3 1 and H3 3 on the control Correct wiring between the lint drawer switch and H3 on the control Is the H6 connection plugged in securely on the control Re seat the H6 connection to the control No Yes No Yes No Yes No Is the optic coupler harness connected securely into the control harness Re seat the optic coupler harness to the control Replace the opto coupler ...

Page 126: ... 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Vend Satisfied No In Use LED Coin Models Sheet 1 of 2 TMB2106S 1 2 3 4 1 2 3 1 2 3 1 2 3 4 4 4 ...

Page 127: ...70380601 125 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Vend Satisfied No In Use LED Coin Models Sheet 2 of 2 TMB2232S 11 6 12 5 10 8 7 9 ...

Page 128: ...e of the motor relay Is there voltage at the output side of the motor relay Correct or replace the start switch or start switch wiring No Yes Yes Replace the motor relay Is there voltage at H3 6 on the control Replace the control Correct wiring between the control and the motor relay A1 Yes No Yes No Yes No Is there voltage across the lines of the motor Correct wiring between the motor and motor r...

Page 129: ...70380601 127 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting In Use LED Lit No Motor Run Coin Models Sheet 1 of 2 TMB2232S 2 4 3 1 ...

Page 130: ...yright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting In Use LED Lit No Motor Run Coin Models Sheet 2 of 2 TMB2106S 6 5 7 6 5 7 6 5 6 6 5 5 7 7 7 7 7 7 6 5 6 6 5 5 7 7 7 7 7 7 ...

Page 131: ...relay Is there voltage across the lines of the fan motor Is there voltage at the input side of motor control relay Is there voltage at the output side of motor control relay Replace control Correct wiring between control relay and power supply Replace motor control relay Correct wiring between fan motor and motor control relay Correct wiring between terminal 6 of motor control relay and supply Rep...

Page 132: ...130 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Motor Will Not Start Run Coin Models Sheet 1 of 2 TMB2232S 2 1 3 ...

Page 133: ...t Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Motor Will Not Start Run Coin Models Sheet 2 of 2 TMB2106S 5 4 6 7 8 9 6 7 9 5 4 8 6 5 6 6 5 5 7 7 7 7 7 7 6 5 6 6 5 5 7 7 7 7 7 7 ...

Page 134: ...y Is there voltage across the lines of the fan motor Is there voltage at the input side of motor control relay Is there voltage at the output side of motor control relay Replace control Correct wiring between control relay and power supply Replace motor control relay Correct wiring between fan motor and motor control relay Correct wiring between terminal 6 of motor control relay and supply Replace...

Page 135: ...70380601 133 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Motor Will Not Start Run OPL Models Sheet 1 of 2 TMB2233S 2 1 3 ...

Page 136: ...ht Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Motor Will Not Start Run OPL Models Sheet 2 of 2 TMB2106S 5 4 6 7 9 8 5 4 6 7 9 8 6 5 6 6 5 5 7 7 7 7 7 7 6 5 6 6 5 5 7 7 7 7 7 7 ...

Page 137: ...rminal on airflow switch Is there voltage at terminal 13 of motor control relay Replace motor control relay Is there voltage across terminals 13 14 of motor control relay Correct wiring between terminal 3 of fan motor centrifugal switch and terminal 4 of motor control relay Is there voltage at terminal 3 of fan motor centrifugal switch Replace fan motor Is there voltage across terminals 3 5 of fan...

Page 138: ...O YES NO YES 14 Is there voltage across stove limit 2 Correct wiring between terminal 2 of ICM and stove limit 2 Is there voltage to terminal 2 of the Ignition Control Module ICM Replace ICM board Is there voltage at terminal 1 of ICM board Correct wiring between gas valve and ICM board Is there voltage across the coils of the gas valve NO YES NO YES NO YES 16 15 17 Note Make sure unit is not in a...

Page 139: ...70380601 137 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Unit Will Not Heat Gas Coin Models TMB2232S 2 1 3 5 4 6 7 8 12 14 10 9 11 13 15 16 17 ...

Page 140: ...tor centrifugal switch Correct wiring between cabinet limit and terminal 5 of fan motor centrifugal switch Is there voltage to the input side of the cabinet limit Replace cabinet limit Is there voltage across cabinet limit Correct wiring between stove limit 1 and cabinet limit Is there voltage to the input side of the stove limit 1 Is the thermistor operational Replace hybrid control Replace therm...

Page 141: ...1 of ICM board Correct wiring between gas valve and ICM board Is there voltage across the coils of the gas valve NO YES YES NO 13 14 15 Note Make sure unit is not in a lock out condition Replace gas valve coils or complete gas valve Is there gas flow through the gas valve Replace high voltage ignition cable or igniter Does the igniter spark NO YES Replace airflow switch Is the airflow switch worki...

Page 142: ...140 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Unit Will Not Heat Gas OPL Models TMB2233S 5 7 10 12 13 14 11 9 3 1 2 4 6 8 15 ...

Page 143: ...of fan motor centrifugal switch Replace fan motor Is there voltage across terminals 3 5 of fan motor centrifugal switch Correct wiring between cabinet limit and terminal 5 of fan motor centrifugal switch Is there voltage to the input side of the cabinet limit Replace cabinet limit Is there voltage across cabinet limit Correct wiring between stove limit and cabinet limit Is there voltage to the inp...

Page 144: ...ents produce heat Check elements for shorts or opens Check wires between contactors and elements Is there voltage across L3 L1 L1 L2 and L2 L3 Check for proper operation of contactors replace them if necessary Is there voltage to the L1 L2 and L3 terminals of HC2 YES NO Correct wiring between HC2 and line voltage 11 12 YES NO 13 14 15 NO YES NO YES Unit is operational Note Please make the oppropri...

Page 145: ...70380601 143 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Unit Will Not Heat Electric OPL Sheet 1 of 2 TMB2234S 10 8 9 1 5 2 3 7 4 6 ...

Page 146: ...144 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Hybrid Timer Control Troubleshooting Unit Will Not Heat Electric OPL Sheet 2 of 2 TMB2050S 12 11 13 14 15 ...

Page 147: ...yer is properly grounded W002R1 WARNING Display Definition Corrective Action OP Open thermistor error Check thermistor Replace if inoperative Check wiring between control and thermistor Refer to wiring diagram for proper wiring Check control Replace if inoperative SH Shorted thermistor error Check thermistor Replace if inoperative Check wiring between control and thermistor Refer to wiring diagram...

Page 148: ... explosion serious injury or death Disconnect electric power to the tumble dryer before servicing Close gas shut off valve to gas tumble dryer before servicing Close steam valve to steam tumble dryer before servicing Never start the tumble dryer with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumble dryer i...

Page 149: ...ard Check the following ls the battery low on the PDA Is the IR window covered or blocked on the control If needed replace the electronic control Communication sequence checks out Attempt to communicate with the electronic control from the PDA Aim PDA closer and try again Is there a response of any kind from the electronic control Does the control respond Does the electronic control display E OF o...

Page 150: ... coin drop and control connected correctly Are wires exiting coin drop optical sensor cracked or broken Exit diagnostic testing and reset control Prompting for vend price Reconnect and run diagnostic test again Reconnect and run diagnostic test again Replace coin drop Replace coin drop If problem still exists then replace the electronic control Start coin drop diagnostic tests Yes No Yes Yes No Ye...

Page 151: ...ts AC across the red blue and wht blue wires on the secondary side of the transformer Yes Yes No Correct the wiring between the transformer secondary and the electronic control Is line voltage present across the black and lt blue wires on the primary side of the transformer Yes Replace the transformer No Is the primary fuse good Yes No Replace the primary fuse Correct wiring from terminal block to...

Page 152: ...150 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Electronic Control Troubleshooting No Display TMB2295S 2 3 4 5 1 ...

Page 153: ...Is there 24 volts to the input side of the secondary fuse Check fuse Replace if necessary 4 Is there 24 volts to the output side of the secondary fuse Correct the wiring between the fuse and the common terminal of the door switch 5 Is there 24 volts to the common terminal of the door switch Check door switch for proper operation Replace if necessary 6 No No No No No Yes Yes Yes Yes Is there 24 vol...

Page 154: ...152 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Electronic Control Troubleshooting Door Open Indicator T 2 3 1 6 4 7 8 9 10 5 TMB2295S ...

Page 155: ...ration Replace if necessary Is there 24 Volts across the coil of the relay Correct wiring between control and motor relay coil Is there 24 volts at terminal H5 3 on the control Measured to transformer neutral Press the start button If machine does not start replace control Is there 24 volts to terminal H5 7 on the control Correct wiring to the control Refer to Door Open Indicator 1 2 3 4 5 6 Yes N...

Page 156: ...154 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Electronic Control Troubleshooting No Start Run TMB2295S 2 3 1 6 4 1 3 2 5 ...

Page 157: ... and motor relay Is there voltage at terminal 3 of the fan motor Check motor or replace if necessary Is there voltage at terminal 5 of the fan motor relay Check cabinet limit for proper operation Replace if necessary Is there voltage to the output of the cabinet limit Correct wiring between cabinet limit and stove limit thermostat Is there voltage to the input of the stove limit Check operation of...

Page 158: ...Control Module ICM Replace ICM board Is there voltage at terminal 1 of ICM board Correct wiring between gas valve and ICM board Is there voltage across the coils of the gas valve Replace gas valve coils or complete gas valve Is there gas flow through the gas valve Replace high voltage ignition cable or igniter Does the igniter spark Unit operational Is there a flame No Yes No Yes No Yes No Yes No ...

Page 159: ...70380601 157 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Electronic Control Troubleshooting Unit Will Not Heat Gas TMB2295S 1 2 3 4 11 5 10 6 7 8 9 12 13 ...

Page 160: ... motor terminal 3 and motor relay Is there voltage at terminal 3 of the fan motor Check motor or replace if necessary Is there voltage at terminal 5 of fan motor relay Check cabinet limit for proper operation Replace if necessary Is there voltage to the output of the cabinet limit Check steam valve for proper operation Replace if necessary Verify that the correct steam is supplied to the unit Veri...

Page 161: ...70380601 159 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Electronic Control Troubleshooting Unit Will Not Heat Steam TMB2295S 1 2 3 4 5 6 8 9 7 ...

Page 162: ...ce if necessary Is there voltage at terminal 3 of the fan motor Check motor or replace if necessary Is there voltage at terminal 5 of fan motor relay Check cabinet limit for proper operation Replace if necessary Is there voltage to the output of the cabinet limit No Yes Is the thermistor operational Replace control Replace thermistor Yes No No Yes No Yes Yes No No Yes Yes Yes No No Yes 1 2 3 4 5 6...

Page 163: ...he coil s of the heater contactor s Correct wiring between HC1 HC2 and line voltage Is there voltage to the input terminals of HC1 and or HC2 Check for proper operation of contactors Replace if necessary Is there voltage to the output side of HC1 HC2 contacts Check elements for shorts or opens Check wires between contactors and elements Do all elements produce heat glow a slight orange color No Ye...

Page 164: ...162 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Electronic Control Troubleshooting Unit Will Not Heat Electric TMB2296S 1 2 3 4 5 6 7 8 9 10 11 12 13 12 13 13 12 ...

Page 165: ...tween transformer and fuse Check transformer for operation Replace if necessary Is there voltage across terminals 1 and 4 of the transformer Is line voltage supplied to the transformer primary Is there line voltage on the output side of the primary fuse Replace primary fuse Correct wiring between primary fuse and transformer Is there line voltage on the input side of primary fuse Verify that unit ...

Page 166: ...164 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Electronic Control Troubleshooting CE Models No Display TMB2297S 2 5 1 4 6 3 ...

Page 167: ... switch DS Yes No Make sure door is closed Check function of DS Replace if necessary Is there voltage at N C terminal of DS Yes No Correct wiring between F3 and DS Is there voltage on output side of F3 Yes No Replace fuse Is there voltage to input side of F3 Yes No Correct wiring between fuse and transformer Is there voltage on the secondary side of transformer Yes No Replace transformer Is there ...

Page 168: ...166 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Electronic Control Troubleshooting CE Models Door Open Indicator TMB2297S 1 2 3 4 5 6 7 8 10 9 ...

Page 169: ...t side of the motor relay terminals Check to common line Check for proper operation of relay Replace if necessary Is there voltage across the coil of the motor relay Correct wiring between control and motor relay Is there voltage across H5 3 and H5 4 of the control Press start button If machine doesn t start replace control Is there voltage to H5 7 on the control Correct wiring to control Refer to...

Page 170: ...168 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Electronic Control Troubleshooting CE Models No Start Run TMB2297S 2 3 1 6 5 1 3 2 4 ...

Page 171: ...l of motor centrifical switch MCS No Yes Check MCS for proper operation Replace motor if necessary Is there voltage to the output side of the MCS No Yes Correct wiring between stove limit and MCS Is there voltage to input side of the cabinet limit CT No Yes Check CT for proper operation Replace if necessary See next page Is there voltage to the output side of the CT No Yes Steam Gas Correct wiring...

Page 172: ...sary Verify correct pressure and gas supplied to machine Is there voltage supplied to gas valve No Yes Verify control is NOT going into lock out Correct wiring between valve and ICM Replace ICM if necessary TMB2292S b 13 Continued from previous page GAS Check SV for proper operation Replace if necessary Verify steam is properly supplied to machine Is there voltage across steam valve SV No Yes Corr...

Page 173: ...70380601 171 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Electronic Control Troubleshooting CE Models Will Not Heat Gas Steam TMB2297S 1 2 6 7 14 3 10 12 11 9 13 8 4 5 ...

Page 174: ...e voltage at N O terminal of the K2 relay No Yes Correct wiring between K2 relay and MCS Is there voltage to the COM terminal of motor centrifical switch MCS No Yes Check MCS for proper operation Replace motor if necessary Is there voltage to the output side of the MCS No Yes Correct wiring between stove limit and MCS Is there voltage to input side of the cabinet limit CT No Yes Check CT for prope...

Page 175: ...l in TMB2294S b Correct wiring between elements and contactors 11 Continued from previous page Check element for open CK1 Replace if necessary Is heat produced Yes No Unit operational Is there line voltage across element contactor coils No Is there voltage on the output side of the contactor Check for voltage to input side Correct wiring if necessary Replace contactor if voltage supplied to input ...

Page 176: ...174 70380601 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Electronic Control Troubleshooting CE Models Will Not Heat Electric TMB2298S 1 2 9 10 11 3 6 7 8 4 5 ...

Page 177: ...nt end control should both be powered If the LED does not light and both are powered verify that the loading door and lint door are closed and if checking heater related errors that the heat interlock chain is closed AirFlow Switch Fan Contactor Fan Centrifugal Switch Cabinet Limit and Stove Limit If the LED still does not light check the connection between the front end control and the I O Board ...

Page 178: ...e DC voltage checks CAUTION Always power down the machine PRIOR to disconnecting or connecting the H3 harness Once harness is disconnected you can power up the machine for troubleshooting Failure to do so may damage the front end control NOTE The H3 harness will need to remain connected during this test No Replace contactor Is there line voltage on the motor side of the contactor No Replace contac...

Page 179: ...iance Laundry Systems LLC DO NOT COPY or TRANSMIT LED OPL and UniLinc Troubleshooting No Fan Motor Rotation Drawing 1 of 2 NOTE The door and lint door must be closed for voltage to be present at the fan TMB2383S 1 3 2 4 TMB2383S ...

Page 180: ...dry Systems LLC DO NOT COPY or TRANSMIT LED OPL and UniLinc Troubleshooting No Fan Motor Rotation Drawing 2 of 2 NOTE The door and lint door must be closed for voltage to be present at the fan TMB2387S 6A TMB2387S 7A 7B 7C 6B 5B 5A 6C 5C ...

Page 181: ...d control AP2 Replace as required Check control harness H3 and I O board AP1 Replace as required NOTE The following checks are DC voltage checks CAUTION Always power down the machine PRIOR to disconnecting or connecting the H3 harness Once harness is disconnected you can power up the machine for troubleshooting Failure to do so may damage the front end control NOTE The H3 harness will need to rema...

Page 182: ...ms LLC DO NOT COPY or TRANSMIT LED OPL and UniLinc Troubleshooting No Drive Motor Rotation Drawing 1 of 2 NOTE The door and lint door must be closed for voltage to be present at the forward and reverse outputs TMB2383S 1 3F 2R 4R TMB2383S 3R 4F 2F ...

Page 183: ... COPY or TRANSMIT LED OPL and UniLinc Troubleshooting No Drive Motor Rotation Drawing 2 of 2 NOTE The door and lint door must be closed for voltage to be present at the forward and reverse outputs TMB2387S 6A TMB2387S 7A 7C 6B 5B 5A 5C 6C 7B 5B 5A 6B 6A 5C 6C ...

Page 184: ...itch Repair or replace as required No Yes Yes Check control harness H3 Replace harness or I O Board AP1 as required Check control harness H3 Replace harness or I O Board AP1 as required Check control harness H3 Replace harness or I O Board AP1 as required No Yes Is there 24 volts AC at H2 11 to H6 9 1 2 3 5 6 7 Is there 5 volts DC at H3 9 to H3 11 with cabinet limit circuit open and 0 volts DC wit...

Page 185: ...70380601 183 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT LED OPL and UniLinc Troubleshooting Stove Cabinet Limit Errors TMB2383S 1 10 4 3 TMB2383S 5 6 8 9 7 2 H6 9 ...

Page 186: ... machine PRIOR to disconnecting or connecting the H3 harness Once disconnected you can power up the machine for troubleshooting Failure to do so may damage the front end control NOTE The following checks are DC voltage checks NOTE The pins H1 2 and H1 4 on I O Board that connect to pins H8 1 and H8 3 on the front end control only provide 24 volts AC to the front end control s network circuitry Yes...

Page 187: ...70380601 185 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT LED OPL and UniLinc Troubleshooting No Display TMB2383S 1 4a 3 TMB2383S 4c 4b 2 ...

Page 188: ...tch closed 1 2 3 4 CAUTION Always power down the machine PRIOR to disconnecting or connecting the H3 harness Once disconnected you can power up the machine for troubleshooting Failure to do so may damage the front end control NOTE The following checks are DC voltage checks Replace front end control AP2 NOTE Check airflow switch for proper mechanical operation ensure there is no lint or other items...

Page 189: ...70380601 187 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT LED OPL and UniLinc Troubleshooting Airflow Errors TMB2383S 1 3 TMB2383S 4 2 ...

Page 190: ... or replace as necessary No Yes Yes Yes Yes No Is there 24 volts AC at H2 3 to H6 9 with fan motor running No Check control harness H3 and I O Board AP1 Replace as required No 1 2 3 4 CAUTION Always power down the machine PRIOR to disconnecting or connecting the H3 harness Once disconnected you can power up the machine for troubleshooting Failure to do so may damage the front end control NOTE The ...

Page 191: ...70380601 189 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT LED OPL and UniLinc Troubleshooting Fan Motor Centrifugal Switch Error TMB2383S 1 2 TMB2383S 4 3 ...

Page 192: ...sed Is there 24 volts AC at H6 4 to H6 9 with both doors closed Yes Check harness Replace harness or I O Board AP1 as required No Yes 1 2 3 5 Is there 5 volts DC at H3 6 to H3 11 closest to the front end control with loading door open and 0 volts DC with loading door closed Check harness and I O Board AP1 Repair or replace as required No Is there 5 volts DC at H3 18 to H3 11 with either loading or...

Page 193: ...70380601 191 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT LED OPL and UniLinc Troubleshooting Close Door Indication TMB2383S 1 2 TMB2383S 6 5 7 3 4 ...

Page 194: ...e into the slip ring harness Yes After removing 3 screws from slip ring assembly is there any resistance at bullet connector to trunnion shaft 1 2 5 6 3 After removing 3 screws from slip ring assembly is there any resistance at bullet connector to trunnion shaft Yes Verify connections on both ends of slip ring assembly Replace as required Remove basket and repair or replace wiring harness 4 No NOT...

Page 195: ...70380601 193 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT LED OPL and UniLinc Troubleshooting Moisture Sensor Error TMB2383S TMB2383S 1 2 3 6 4 5 ...

Page 196: ...d moisture sensing baffle using test jumper Refer to Figure 21 If metered value is less than 1 ohm circuit is functioning properly double check machine configuration and cycle programming If 1 ohm or greater proceed to Paragraph 79 TMB2396S 1 H5 2 Harness Figure 20 To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the tumble dryer before servi...

Page 197: ...70380601 195 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT LED OPL and UniLinc Troubleshooting TMB2397S 1 Basket 2 Test Jumber 3 Moisture Sensing Baffle Figure 21 1 2 3 ...

Page 198: ... assembly unplug the moisture sensing harness on the control side of the slip ring assembly Refer to Figure 22 3 The harness from the control leads into a junction panel before reaching the slip ring assembly Inspect junction panel for intermittent connections or unplugged harnesses Refer to Figure 23 TMB2398S 1 Connector 2 Black Wire 3 Moisture Sensing Harness 4 Slip Ring Assembly Harness 5 Set S...

Page 199: ...ohm meter probes into pins 1 and 2 of the harness unplugged from H5 If the metered value is infinite resistance open load OL proceed to Step 6 If not replace harness and return to Paragraph 78 6 Create a direct short between pin 1 and 2 of the moisture sensing harness on the control side of the slip ring assembly Refer to Figure 22 If the metered value is less than 1 ohm proceed to Paragraph 80 If...

Page 200: ...ed to Paragraph 81 If 1 ohm or greater replace slip ring assembly and return to Paragraph 78 82 Troubleshooting From Slip Ring Assembly to Moisture Sensing Baffle and Basket 1 Remove three 3 screws holding slip ring assembly to basket shaft 2 Carefully disconnect the white wire of the slip ring assembly from the set screw on the basket shaft 3 Carefully disconnect the black wire of slip ring assem...

Page 201: ... connector in the basket shaft 6 Connect the other ohm meter probe to one of the moisture sensing baffles Refer to Figure 21 If the metered value is less than 1 ohm proceed to Step 9 If 1 ohm or greater proceed to Paragraph 83 84 Troubleshooting at the Moisture Sensing Baffles with Machine Basket Removed 1 Disassemble moisture sensing baffle and inspect for lint buildup and foreign objects Verify ...

Page 202: ...st be pulled in and the motor must be running NOTE If the voltage is present but lower than 24 volts AC ensure the correct transformer configuration jumper is installed Is there 24 volts AC at H2 4 to H6 9 with fan motor running No Check control harness H3 and I O Board AP1 Replace as required No Is there 5 volts DC at H3 8 to H3 11 with motor contactor not engaged and 0 volts DC with motor contac...

Page 203: ...70380601 201 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT LED OPL and UniLinc Troubleshooting Fan Motor Contactor Error TMB2383S TMB2383S 3 1 4 2 ...

Page 204: ...djust the gap to less than 1 4 inch No Yes Yes Yes No While turning the basket by hand slowly is there 12 volts DC at H6 3 to H6 2 when the pulley spoke is in front of sensor and 0 volts DC as pulley spoke clears sensor No 1 2 3 NOTE The following checks are DC voltage checks Replace harness and or sensor If still not present replace front end control AP2 Replace harness and or sensor If still not...

Page 205: ...70380601 203 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT LED OPL and UniLinc Troubleshooting Rotation Sensor Error TMB2389S TMB2389S 2 3 ...

Page 206: ...hermistor Open Thermistor LED OPL Error Display ESH EoP No Yes 1 NOTE This resistance will vary with cabinet air temperature the higher the temperature the lower the resistance Replace front end control AP2 Is there approximately 50k ohms of resistance at 77 F across H7 1 and H7 2 Check each wire for possible ground fault Replace temperature sensor and or harness TMB2393S ...

Page 207: ...70380601 205 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT LED OPL and UniLinc Troubleshooting Shorted or Open Thermistor TMB2390S TMB2390S 1 ...

Page 208: ...AGRAM SECONDARY FUSES 5 X 20mm 3 5T 250V F3 5 X 20mm 3 25T 250V F4 240V JUMPER 230 240V MODELS TRANSFORMER JUMPER DETAILS 208V JUMPER 200V 220V MODELS 1 2 3 4 5 6 4 4 1 3 2 2 1 ORG WHT BRN WHT BRN RED RED WHT RED BLU WHT BLU BRN WHT WHT BRN BRN WHT WHT BRN RED WHT RED BLU WHT BLU 2 1 1 2 3 4 5 6 2 1 TRANSFORMER JUMPER DETAILS 380V JUMPER 380V MODELS 3 2 1 4 2 1 415V JUMPER 400 415V MODELS 3 2 1 4 ...

Page 209: ... OPL and UniLinc Troubleshooting 89 Dip Switch Harness Index Mismatch Verify the dip switches are in the correct position and the jumper harness is installed on front end control AP2 TMB2388S PROGRAMMING DIP SWITCHES SEE INSTALLATION MANUAL FOR SWITCH DETAILS SW1 SW1 SW1 TMB2388S ...

Page 210: ...ropriate description How to Exit Testing Feature Press the Back keypad The display will return to Idle Mode Table 1 Diagnostic Testing Mode Quick Reference Chart Display Diagnostic Mode G6RIW Control Software Version GGRRU Loading Door Status G LQW Lint Door Status G W Heater Interlock Test 2Q Fan Motor Contactor Status represents input status open 23 or closed Q 6 Fan Motor Centrifugal Switch Sta...

Page 211: ...Thermostat 2 Status ddiP DIP Switch Status diCnAL ICM Alarm Status diCnrS ICM Reset Test dEALrn External Alarm Test ddryon Dryer On Temperature Test dtHEr Thermistor Temperature Test dConF2 Machine Config 2 Display dConF3 Machine Config 3 Display dAFS Airflow Switch Test dFAn Fan Motor Test ddAnPr Damper Motor Test drEuSE Reverse Motor Test drotAt Rotation Sensor Test drnC 1 Moisture Sensor Test S...

Page 212: ... has to be closed or open for at least one second for the control to register the switch as closed or open NOTE Loading door must be closed while testing lint door To exit the Lint Door Test press the Back keypad The control will return to the testing mode Heater Interlock Test While this test is running the control will show the status of the following inputs for two seconds each The control will...

Page 213: ...d reset the ICM alarm When this test is started the ICM reset will become active If the reset signal is active for a long enough period of time 4 seconds the ICM Lockout input will become active To reset the ICM stop the ICM Reset Test and then start the test again until the ICM Lockout input becomes inactive 4 seconds and then stop the ICM Reset Test If LU 6 W shows on the display ICM Reset outpu...

Page 214: ...emperature Test This option displays the temperature sensed at the thermistor in 5 F 3 C increments To start test control must be in the Testing Mode Refer to How to Enter Testing Feature at the beginning of this section To enter press the Start keypad The display will show or The will show Fahrenheit the will show Celsius and the will show degrees If control senses a shorted thermistor the displa...

Page 215: ...or Test press the Back keypad The control will return to the testing mode Damper Motor Test This option shows the damper motor running To start test control must be in the Testing Mode Refer to How to Enter Testing Feature at the beginning of this section To enter press the Start keypad The display will show G Q3 U to indicate the damper motor is going to run The test must run for at least six sec...

Page 216: ...he control will reset the test step and allow it to be run again When the test is complete and result is displayed the control sounds a 5 second audio signal Press a key to advance to the next test step If the Up or Down keypad is pressed while the test is in progress the control will toggle between displays UQ and 6QU If the display is left on UQ or 6QU for 5 seconds the control will revert to sh...

Page 217: ...ave been pressed the control will advance to next step after a one second delay GRRU23 or GRRU Loading Door Test The control will display the status of the loading door GRRU23 if door is open or GRRU if door is closed LQW23 or LQW Lint Door Test The control will display the status of the lint door LQW23 if door is open or LQW if door is closed Loading door must be closed All LEDs and display segme...

Page 218: ...l function Test Cycle Menu The Test Cycle Menu is used to run several test steps as well as a ten minute cycle Step 01 keypad test requires the user to press each keypad Step 02 Door Status shows whether the loading and lint doors are open or closed Press any key to advance Step 03 Screen Test shows four screens that test the LCD screen Press any key to advance through each of the four test steps ...

Page 219: ... Heat Source Type of heat machine is configured for Press keypad DIP switch status will be shown 7 Reversing Motor Present Will show if machine is equipped for reversing Press keypad DIP switch status will be shown 8 Rotation Sensor Present Will show if machine is equipped for rotation sensor Press keypad DIP switch status will be shown 9 Moisture Sensor Present Will show if machine is equipped fo...

Page 220: ...ts if the test is running or return to the previous screen if the test is not running If the Inputs Outputs Menu is accessed through the Run Diagnostic Menu pressing the keypad during a running cycle the menu shows only what is turned on and off as the cycle runs Refer to Figure 28 Abbreviations for the Inputs and Outputs are defined in the following table Table 7 TMB1425R Figure 28 Inputs Outputs...

Page 221: ...pes of manufacturing and machine information that can be useful to the user and technician The Machine ID Menu cannot be navigated Pressing the keypad will return to Diagnostic Menu or the Run Diagnostic Menu TMB1400R Figure 29 TMB1330R Figure 30 TMB1363R Figure 31 Alarms 1 of 3 ALARM COUNTS C01 S02 Cabinet High Limit 12 05 03 34 C02 S05 Heat 11 29 15 55 C38 S01 Fan Motor Contactor 08 14 07 27 C07...

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Alliance Laundry Systems YT035E, Troubleshooting Manual

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