ALLIANCE CHD30STE2-CTT30E Troubleshooting Manual Download Page 42

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70291301

Electronic Control Troubleshooting

23. Control Display – No Visible Display – OPL Microprocessor Models

TMB1823S

Is there voltage

supplied to the unit?

Is there voltage to the

input side of the

primary fuse(s)?

Is there voltage to the

output side of the

primary fuse(s)?

Is there voltage

across the primary side

of the transformer?

Is there voltage across

1 & 4 of transformer

secondary?

Is there voltage across

terminals H3-3 &

H3-4 on OPL Micro?

Is there voltage across

fuse on OPL Micro?

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 OPL Micro

and transformer

secondary.

Replace OPL Micro.

YES

Replace fuse.

Gas, steam

and electric heat.

Single and three

phase supply.

Note: Reference voltage to

supply neutral.

TMB1823S

Summary of Contents for CHD30STE2-CTT30E

Page 1: ...ble Dryers 30 Pound Stack Through Serial No 0602004143 Refer to Page 5 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 1 2 3 SELEC T TEMP INSER T COIN PUSH START STAR T 25C HIGH TEMP MED TEMP LOW TEMP NO HEAT T464PZ3A ...

Page 2: ......

Page 3: ...ly 20 8 Burner Does Not Shut Off 21 9 Clothes Do Not Dry 22 10 Tumble Dryer Overheating 24 11 Burner Not Burning Properly 25 12 Loading Door Opens During Operation 26 13 Cylinder Continues to Spin with Door Open 27 14 Coin Does Not Fall into Coin Vault or Coin Drop Sensor Does Not Register That Coin Has Been Entered 28 Section 4 Adjustments 31 15 Troubleshooting and Cleaning Coin Drop 31 16 Troubl...

Page 4: ...ssor 77 43 Will Not Heat Gas EDC Models 80 44 Will Not Heat Gas Manual Timer 82 45 Will Not Heat Gas Rotary Coin Drop 84 46 Will Not Heat Steam EDC Models 86 47 Will Not Heat Steam Manual Timer 88 48 Will Not Heat Steam OPL Microprocessor 90 49 Will Not Heat Steam Rotary Coin Drop 93 Section 6 Micro Display Control Troubleshooting 95 50 Coins Ignored When Entered 95 51 Control Has No Display 96 52...

Page 5: ...70291301 3 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 63 Unit Will Not Heat Gas 134 64 Unit Will Not Heat Steam 138 65 Unit Will Not Heat Electric 142 ...

Page 6: ...4 70291301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Notes ...

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: ...age resulting from improper service Review all service information before beginning repairs Warranty service must be performed by an authorized technician using authorized factory parts If service is required after the warranty expires Alliance Laundry Systems also recommends contacting an authorized technician and using authorized factory parts To reduce the risk of electric shock fire explosion ...

Page 9: ... 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 and lockout to prevent unintentional connection Shut off supply gas valve Allow machine to cool prior to servicing After servicing tumble dryer Control access panels must be reinstalled Motor drive belt guards must be reinstalled Con...

Page 10: ...30N UAT30L UAT30N UTT30L UTT30N UUT30L UUT30N CHD30STS2 CTT30S CHD30STS2 CUT30S DRST30S2 BTT30S DRST30S2 BUT30S HTT30S HUT30S IPD30STS2 ITT30S PTT30S PUT30S STT30S SUT30S UTT30S UUT30S CHD30STE2 CTT30E CHD30STE2 CUT30E DRST30E2 BTT30E DRST30E2 BUT30E HTT30E HUT30E IPD30STE2 ITT30E PTT30E PUT30E STT30E SUT30E UTT30E UUT30E 3O DX4 OPL CX prep for coin drop NX NetMaster coin ready 3V DX4 vended CY pr...

Page 11: ... of the nearest authorized parts distributor For technical assistance call 920 748 3121 Wiring Diagram The wiring diagram is located inside the contactor or junction box Models starting Serial No 0309____ or later will have the wiring diagram part number in the lower portion of the electrical data on the serial plate MODEL NO SERIAL NO V HERTZ PHASE AMPS WIRES GROUND TOTAL kW MOTOR kW REQ D CIRCUI...

Page 12: ...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 T002C...

Page 13: ...ion 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 prope...

Page 14: ...nt of coins are inserted Is the PUSH TO START button not properly activated Manual Timer Models Press and hold PUSH TO START button for three seconds Is the electrical power off or circuit breaker or fuse blown Close and lock lint drawer Check fuse in junction box and replace if necessary Is there a blown fuse on tumbler Test coin drop and replace if inoperative Yes Is coin drop inoperative Is the...

Page 15: ...ment Yes Is the start circuit not complete Yes Press and hold PUSH TO 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 neces...

Page 16: ...othes 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 tumbler or poor maintenance Clean lint accumulation on and around the motors No Y...

Page 17: ...ystems LLC DO NOT COPY or TRANSMIT 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 18: ...drawer 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 TMB1906S ...

Page 19: ...ressure 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 Tumbler 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 compartmen...

Page 20: ...ary 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 TMB2209S 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 diagram I...

Page 21: ...transformer configuration harness installed Yes Check incoming voltage and install correct configuration harness TMB2209S 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 22: ...rent from that specified on serial plate obtain and install correct orifices No Is there excessive igniter to burner clearance Yes Clearance should be 0 110 0 140 inch 2 79 3 55 mm Is there inadequate make up air Yes Refer to Installation Manual for make up air requirements No Is the thermistor inoperative Yes No Replace thermistor Is the control heater relay malfunctioning Yes Replace control No ...

Page 23: ...roubleshooting 8 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 24: ... the exhaust system improper or inadequate Yes Refer toInstallation Manual for exhaust system equirements No Is the voltage incorrect No Refer to Burner Ignites and Goes Out Repeatedly flowchart Yes Set selector for higher setting Yes Refer toInstallation Manual for electrical requirements Yes Is there inadequate make up air Yes Refer toInstallation Manual for make up air requirements Is the exhau...

Page 25: ...inued Continued from previous page Is the lint screen clogged Is the thermistor 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 TMB2210S b No No ...

Page 26: ... 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 Are the s...

Page 27: ...he 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 TMB2211S No Yes Clean off lint Is there lint buildup around gas valve spud No Does the tumbler have incorrect orifices Yes Tumbler is equipped for the type of gas specified on serial plate If orifices are different from that specified o...

Page 28: ...ion Is tumbler improperly leveled Refer toInstallation Manual for leveling leg adjustment Is clothes load too large Remove part of load and restart tumbler Is loading door strike adjusted incorrectly Refer to Adjustments Section for strike adjustment Yes No Yes No Yes TMB1913S NOTE All tumble dryer panels must be in place and on the machine for proper operation ...

Page 29: ...3 Cylinder Continues to Spin with Door Open Cylinder Continues To Spin With Door Open Is door switch inoperative Replace door switch Yes TMB2186S Is motor relay inoperative Replace relay in control box No Yes NOTE All tumble dryer panels must be in place and on the machine for proper operation ...

Page 30: ...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 machine ...

Page 31: ...wn coin drop cover and insert coin Refer to Figure 2 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 3 2 Open cover for coin drop 3 Place a small flathead screwdriver under right side of tension spring and lift up Refer to Figure 4 4 Use screwdriver to m...

Page 32: ...rewdriver to push spring under center tab Refer to Figure 8 13 Lift spring gently to place in position under left tab 14 Push spring to right until it snaps into position Refer to Figure 4 15 Close coin drop cover 16 Move tension spring over cover catch Refer to Figure 3 Reinstall Coin Drop Into Machine 1 Reinstall coin drop into machine 2 Reconnect electrical power to machine and drop 3 Add a coi...

Page 33: ... coin drop problems Oil residue will prevent coins from rolling properly IMPORTANT Do not bend or damage mechanical parts within coin drop 17 Cleaning Coin Drop The electronic 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 Follow the instructions below for cleaning the coin drop 1 Disconnect electrical power to machine ...

Page 34: ...e 12 Figure 12 c Open cover of coin drop Refer to Figure 13 NOTE Do not overbend the spring by opening cover too far Figure 13 4 Clean the coin path with a soft brush and wipe exposed surfaces with an alcohol moistened cloth Refer to Figure 14 and Figure 15 DRY2088N 1 Catch Figure 10 DRY2089N 1 Cover Figure 11 DRY2088N 1 1 DRY2404N 1 Spring DRY2408N 1 Spring DRY2404N 1 DRY2408N 1 ...

Page 35: ...rop 8 Coin Drops with OLD Style Spring Move spring back over cover catch 9 Reinstall coin drop into machine 10 Reconnect electrical power to machine and drop 11 Add a coin to drop to verify that coin drop is operating properly and that electrical connection is working properly DRY2090N Figure 14 DRY2405N Figure 15 DRY2406N 1 Alcohol Moistened Cloth Figure 16 DRY2090N OLD STYLE SPRING COIN DROP DRY...

Page 36: ...34 70291301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Adjustments Notes ...

Page 37: ...hut off valve is in on position and that the gas service is properly connected If condition persists a Check resistance of high tension lead approximately 1000 ohms inch and replace if not within resistance range b Check voltage present at valve c Check that machine is properly grounded d Check the igniter gap gap should be 110 to 140 inch e Check that burner ports are not blocked or plugged under...

Page 38: ...wing low battery on microwand is the IR window covered or blocked on the control if needed replace the electronic control is the IR cap properly attached to the microwand Communication sequence checks out Attempt to communicate with the electronic control from the microwand Aim microwand closer and try again Is there a response of any kind from the electronic control Does the control respond Does ...

Page 39: ...trol 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 or optic switch If problem still exists then replace the EDC control Start coin drop diagnostic tests YES NO YES YE...

Page 40: ...he secondary fuse Is there voltage to output side of secondary fuse Correct wiring between secondary fuse and transformer Replace secondary fuse NO NO NO NO NO NO YES 1 6 7 8 9 10 11 2 3 4 5 YES YES YES YES YES YES Is there voltage to N O of door switch With door closed is there voltage to COM of door switch Is there voltage to N O of lint drawer switch Is there voltage to COM of lint drawer switc...

Page 41: ...Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Electronic Control Troubleshooting 22 Control Display door Error on 25 30 Stacked 30 and 35 Pound Tumble Dryers with 24 Volt EDC Controls TMB1788S 1 2 3 4 5 7 6 8 9 10 11 ...

Page 42: ...transformer Is there voltage across 1 4 of transformer secondary Is there voltage across terminals H3 3 H3 4 on OPL Micro Is there voltage across fuse on OPL Micro 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 OPL Micro and transformer secondary R...

Page 43: ...ansformer primary Plug unit in and run it Correct wiring between primary fuses and power supply Replace primary fuse s Correct wiring between primary fuse and transformer Is there voltage across terminals 2 3 of transformer secondary Replace transformer Is there voltage at the input of the secondary fuse Is there voltage to output side of secondary fuse Correct wiring between secondary fuse and tr...

Page 44: ... fuse NO NO Correct the wiring between the secondary fuse and the transformer Is there voltage to the N O terminal of the door switch YES NO Correct the wiring between the door switch and the secondary fuse YES With door closed Is there voltage at COM of the door switch NO Check for proper operation replace the door switch if necessary YES Is there voltage to the COM of the lint panel switch NO Co...

Page 45: ...ce voltage to transformer neutral White wire Correct wiring between rotary coin drop and secondary fuse NO YES Is there voltage on the COM terminal of switch A Note The following checks are made with the vend price satisfied Replace switch A NO YES Is there voltage across coinmeter timer motor Correct wiring between coinmeter timer motor and COM on switch A NO Does the coinmeter timer motor advanc...

Page 46: ...of switch A NO YES YES NO Replace switch A Is there voltage across the timer motor Is there voltage across H1 6 H1 8 of TMR1 Correct wiring between timer motor and COM on switch A NO YES Correct wiring between H1 6 and COM on switch A Is there voltage across H1 2 H1 3 of TMR1 NO YES Is there voltage to N O of door switch Replace TMR1 YES NO Correct wiring between N O of door switch and H1 3 of TMR...

Page 47: ...mer at terminal 2 and 3 Replace the transformer NO YES Is there voltage to the output side of the secondary fuse Change the secondary fuse NO NO Correct the wiring between the secondary fuse and the transformer Is there voltage to the input side of the door switch YES NO Correct the wiring between the door switch and the secondary fuse YES Is there voltage to the output side of the door switch NO ...

Page 48: ...ral White wire Correct wiring between rotary coin drop and secondary fuse NO YES Is there voltage on the COM terminal of switch A Note The following checks are made with the vend price satisfied Replace switch A NO YES Is there voltage across coinmeter timer motor Correct wiring between coinmeter timer motor and COM on switch A NO Does the coinmeter timer motor advance YES NO YES Replace coinmeter...

Page 49: ...orrect wiring between H1 2 and output of secondary fuse With vend price satisfied is there voltage across N C COM of switch A NO YES YES NO Replace switch A Is there voltage across the timer motor Is there voltage across H1 6 H1 8 of TMR1 Correct wiring between timer motor and COM on switch A NO YES Correct wiring between H1 6 and COM on switch A Is there voltage across H1 2 H1 3 of TMR1 NO YES Is...

Page 50: ...d 3 Replace the transformer NO YES Is there voltage to the output side of the secondary fuse Change the secondary fuse NO NO Correct the wiring between the secondary fuse and the transformer Is there voltage to the N O terminal of the door switch YES NO Correct the wiring between the door switch and the secondary fuse YES Is there voltage to the COM terminal of the door switch NO Replace the door ...

Page 51: ... White wire Correct wiring between rotary coin drop and secondary fuse NO YES Is there voltage on the COM terminal of switch A Note The following checks are made with the vend price satisfied Replace switch A NO YES Is there voltage across coinmeter timer motor Correct wiring between coinmeter timer motor and COM on switch A NO Does the coinmeter timer motor advance YES NO YES Replace coinmeter ti...

Page 52: ...Correct wiring between H1 2 and output of secondary fuse With vend price satisfied is there voltage across N C COM of switch A NO YES YES NO Replace switch A Is there voltage across the timer motor Is there voltage across H1 6 H1 8 of TMR1 Correct wiring between timer motor and COM on switch A NO YES Correct wiring between H1 6 and COM on switch A Is there voltage across H1 2 H1 3 of TMR1 NO YES I...

Page 53: ...ide of secondary fuse Correct wiring between secondary fuse and transformer Replace secondary fuse NO NO YES YES Is there voltage to N O of door switch With door closed is there voltage to COM of door switch Is there voltage to N O of lint drawer switch Is there voltage to COM of lint drawer switch with lint panel closed Check for proper operation replace if necessary Correct wiring between N O on...

Page 54: ...ontrol relay Replace fan motor Correct wiring between terminal 6 of motor control relay and supply Replace motor control relay NO YES YES YES YES YES NO NO NO NO YES YES NO NO Note Tests conducted with vend price satisfied and start button pressed Continued on next page Correct wiring between L1 L2 and power supply Replace motor control relay Is the unit equipped with single phase or three phase p...

Page 55: ...rminals 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 checks T031...

Page 56: ... with lint panel closed Is there voltage at terminal 8 of OPL Micro Change primary fuse Correct wiring between transformer and primary fuse Replace transformer Correct wiring between secondary fuse and transformer Replace secondary fuse Correct wiring between N O terminal of door switch and secondary fuse Check for proper operation replace door switch if necessary Correct wiring between N O of lin...

Page 57: ... wiring between fan motor and motor control relay Replace fan motor Correct wiring between terminal 6 motor control relay and supply voltage Replace motor control relay YES YES YES YES YES YES YES YES NO NO NO NO NO NO NO Tests conducted with cycle selected and start key pad activated Reference voltage to supply neutral Does the unit have reversing capabilities See cylinder rotation Either forward...

Page 58: ...across terminals 1 4 of the cylinder motor Does the cylinder motor run Correct the wiring between the cylinder motor and control relay Replace cylinder motor YES YES NO NO Unit operational NOTE For three phase high voltage 380 volts or higher the cylinder and fan motors are supplied L1 L2 L3 through the motor relay terminals T1 T2 T3 Make the appropriate voltage checks while doing trouble shooting...

Page 59: ...e made with push to start switch pressed in YES Adjust the airflow switch or replace if inoperative NOTE The N O contact is closed in the rest position due to the physical mounting of the switch NO Is the unit equipped with a time delay board NO Is there voltage across H1 6 H1 8 on TMR1 YES Correct wiring to TMR1 NO YES Is there voltage across DOB contacts on TMR2 Replace time delay board YES NO I...

Page 60: ... the motor control relay to supply neutral Is there voltage across terminals 5 3 of the motor control relay Is there voltage across terminals 1 4 of fan motor Correct wiring between terminal 5 and supply voltage NO YES Replace motor control relay YES NO YES Note Only for non time delay machines Is this a single phase or three phase unit Single phase Three phase voltage across terminals 14 13 of mo...

Page 61: ... YES Is there voltage to terminal 6 on the motor control relay voltage across terminal 6 9 of the motor control relay Correct wiring between terminal 6 and power supply Replace motor control relay NO YES YES NO Is unit single phase or three phase Single phase Three phase Is there voltage to L2 on motor control relay Correct wiring between motor control relay and supply Is there voltage to L3 on mo...

Page 62: ...3 on the CR2 relay Replace CR2 relay YES Is there voltage across terminals 7 8 of CR2 relay NO Correct wiring between CR2 relay and airflow switch NO YES Is there voltage across the coil of the motor control relay Correct wiring between motor control relay and airflow switch NO Check for proper operation of airflow switch and check wiring Is there voltage across terminal 7 4 of the motor control r...

Page 63: ...wiring between L1 L2 and supply Is there voltage to L1 L2 terminals on motor control relay Replace motor control relay Is there voltage to T1 T2 terminals on motor control relay YES NO NO YES NO YES Continued on next page COLUMN 1 Is the machine supplied with single phase or three phase power Single phase Three phase Refer to Note Is there voltage to L2 L3 terminals on motor control relay Correct ...

Page 64: ...T074D Is there voltage at terminals 1 4 of the cylinder motor Correct wiring between cylinder motor and contact 9 on the motor control relay NO Does the cylinder motor run Replace the cylinder motor NO The cylinder and fan motors are operational YES YES COLUMN 1 voltage across terminals 6 9 of motor control relay NO YES Replace motor control relay T074D Is there ...

Page 65: ...art switch Is there voltage across COM and N O of the airflow switch NOTE This test to be made with push to start switch pressed in YES Adjust the airflow switch or replace if inoperative NOTE The N O contact is closed in the rest position due to the physical mounting of the switch NO Is the unit equipped with a time delay board NO Is there voltage across H1 6 H1 8 on TMR1 YES Correct wiring to TM...

Page 66: ...motor control relay YES NO Is there voltage across terminals 1 4 of fan motor NO Correct wiring between fan motor and contact 8 on the motor control relay Does the fan motor run Replace the fan motor NO YES Tested with the start switch pressed in Is there voltage at terminal 5 on the motor control relay to to supply neutral Correct wiring between terminal 5 and supply voltage NO YES Replace motor ...

Page 67: ...s there voltage across terminals H1 4 H1 8 on TMR2 YES NO CONTINUED ON NEXT PAGE Is there voltage across terminals 5 3 on the CR2 relay Replace CR2 relay YES Is there voltage across terminals 7 8 of CR2 relay NO Correct wiring between CR2 relay and airflow switch NO YES Is there voltage across coils B A of the motor control relay Correct wiring between motor control relay and airflow switch NO Che...

Page 68: ...s 3 5 of the fan motor centrifugal switch with the fan motor running Replace fan motor YES YES Is there voltage across terminals 1 4 of fan motor NO Correct wiring between fan motor and contact 8 on the motor control relay Does the fan motor run Replace the fan motor NO YES Tested with the start switch pressed in Replace motor control relay Is there voltage across terminal 5 8 of the motor control...

Page 69: ...h Is there voltage across COM and N O of the airflow switch NOTE This test to be made with push to start switch pressed in YES Adjust the airflow switch or replace if inoperative NOTE The N O contact is closed in the rest position due to the physical mounting of the switch NO Is the unit equipped with a time delay board NO Is there voltage across H1 6 H1 8 on TMR1 YES Correct wiring to TMR1 NO YES...

Page 70: ... motor control relay YES NO Is there voltage across terminals 1 4 of fan motor NO Correct wiring between fan motor and contact 8 on the motor control relay Does the fan motor run Replace the fan motor NO YES Tested with the start switch pressed in Is there voltage at terminal 5 on the motor control relay to to supply neutral Correct wiring between terminal 5 and supply voltage NO YES Replace motor...

Page 71: ...ge across terminals H1 4 H1 8 on TMR2 YES NO CONTINUED ON NEXT PAGE Is there voltage across terminals 5 3 on the CR2 relay Replace CR2 relay YES Is there voltage across terminals 7 8 of CR2 relay NO Correct wiring between CR2 relay and airflow switch NO YES Is there voltage across B A of the motor control relay Correct wiring between motor control relay and airflow switch NO Check for proper opera...

Page 72: ...fugal switch with the fan motor Replace fan motor YES YES Is there voltage across terminals 1 4 of fan motor NO Correct wiring between fan motor and contact 8 on the motor control relay Does the fan motor run Replace the fan motor NO YES Tested with the start switch pressed in Replace motor control relay Is there voltage across terminal 5 8 of the motor control relay YES NO YES Is there voltage to...

Page 73: ...transformer neutral Replace CR1 YES NO YES Is there voltage from terminal 6 on CR2 to transformer neutral Correct wiring between terminal 6 on CR2 to terminal 4 on CR1 NO YES Is there voltage from terminal 4 on CR2 to transformer neutral Replace CR2 NO YES Correct wiring between CR2 terminal 4 terminal 1 on temp control board Is the thermistor shorted or open NO YES Replace thermistor Replace the ...

Page 74: ...t Is there voltage to the input side of the stove limit NO YES Correct wiring between stove limit and cabinet limit Is there voltage to the output side of the stove limit NO YES Replace the stove limit Is there voltage across HC1 HC2 element contactor coils YES NO Correct wiring between element contactor coils and stove limit Is there voltage across the elements YES UNIT OPERATIONAL NO Check wirin...

Page 75: ...trol relay and N C terminal on airflow switch Is there voltage on terminal 7 of motor control relay Replace motor control relay Is there voltage at terminal 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 at terminal 5 of...

Page 76: ...tove limit Is there voltage to the output side of the stove limit Correct wiring to the coils of HC1 and HC2 Is there voltage across coils HC1 HC2 Correct wiring between elements and supply Replace HC1 and or HC2 if necessary Is there voltage across the heating elements Replace elements Do the elements produce heat Unit operational NO YES NO YES NO YES NO YES T035D ...

Page 77: ...R2 to transformer neutral Replace CR2 NO YES Correct wiring between terminal 4 on CR2 terminal 1 on temp control board Is the thermistor shorted or open NO YES Replace thermistor Replace the temperature control board YES CONTINUED ON NEXT PAGE Single and stacked tumblers with and without time delay Single and three phase units Is the unit equipped with a time delay board NO YES Is there voltage on...

Page 78: ...it YES NO Replace the cabinet limit Is there voltage to the input side of the stove limit NO YES Correct wiring between stove limit and cabinet limit Is there voltage to the output side of the stove limit NO YES Replace the stove limit Is there voltage across the coils of HC1 HC2 YES NO Correct the wiring to the coils Is there voltage across the elements YES UNIT OPERATIONAL NO Check the wiring be...

Page 79: ...y fuse and transformer Replace secondary fuse Correct wiring between N O terminal of door switch and secondary fuse Check for proper operation replace door switch if necessary Correct wiring between N O of lint panel switch and COM of door switch YES YES YES YES YES YES YES YES YES YES NO NO NO NO NO NO NO NO NO NO Continued on next page Column 1 Note Reference voltage to transformer secondary neu...

Page 80: ...itch Correct wiring between terminal 7 8 of motor control relay and N C of airflow switch Replace motor control relay there voltage at terminal 4 of motor control relay for OM models or terminal 6 for RM Correct wiring between fan motor centrifugal switch and motor control relay Is there voltage at terminal 3 of fan motor centrifugal switch Replace fan motor Is there voltage at terminal 5 of fan m...

Page 81: ...o terminal 2 of ICM board Replace ICM board Is there voltage to terminal 1 of ICM board Correct wiring to gas valve coils Is there voltage across the coils of the gas valve Replace the coils or complete gas valve Is there gas flow through the valve Unit is operational Is there a flame Continued from column 2 of previous page NO YES NO NO NO NO NO YES YES YES YES YES NO YES NO NO YES YES Check gas ...

Page 82: ...low 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 centrifuga...

Page 83: ...CM board and stove limit Is there voltage to terminal 2 of the ICM board 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 operat...

Page 84: ...nal 4 on CR1 to transformer neutral Replace CR1 YES NO YES Is there voltage from terminal 6 on CR2 to transformer neutral Correct wiring between terminal 6 on CR2 to terminal 4 on CR1 NO YES Is there voltage from terminal 4 on CR2 to transformer neutral Replace CR2 NO YES Correct wiring between CR2 terminal 4 terminal 1 on temp control board Is the thermistor shorted or open NO YES Replace thermis...

Page 85: ...ve limit and cabinet limit Is there voltage to the output side of the stove limit NO YES Replace the stove limit Is there voltage across terminals 2 3 of ICM board YES NO Correct wiring between ICM board and stove limit Is there voltage across terminals 1 3 of the ICM board YES UNIT OPERATIONAL NO Replace ICM board Note Voltage checks are referenced to transformer neutral Is there voltage across t...

Page 86: ...nal N C on switch B NO YES Is there voltage from terminal 4 on CR2 to transformer neutral Replace CR2 NO YES Correct wiring between terminal 4 on CR2 terminal 1 on temp control board Is the thermistor shorted or open NO YES Replace thermistor Replace the temperature control board YES CONTINUED ON NEXT PAGE Single and stacked tumblers with and without time delay Is the unit equipped with a time del...

Page 87: ... limit Is there voltage to the output side of the stove limit NO YES Replace the stove limit Is there voltage across terminals 2 3 of the ICM board YES NO Correct wiring between ICM board and stove limit or neutral Is there voltage across terminals 1 3 of the ICM board Does the igniter spark YES YES Is there a flame UNIT OPERATIONAL NO Replace the ICM board Replace high voltage ignition cable or i...

Page 88: ...tch Correct wiring between terminal 7 on motor control relay and N C terminal 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 s...

Page 89: ...inued T097D Replace the stove limit Is there voltage to the output side of the stove limit Correct wiring to steam valve coil Is there voltage across steam valve coil Repair or replace steam valve Does steam valve operate properly Check for proper steam supply Correct if necessary Is heat produced NO YES NO YES NO YES NO YES Unit operational T097D ...

Page 90: ...rminal 4 on CR1 to transformer neutral Replace CR1 YES NO YES Is there voltage from terminal 6 on CR2 to transformer neutral Correct wiring between terminal 6 on CR2 to terminal 4 on CR1 NO YES Is there voltage from terminal 4 on CR2 to transformer neutral Replace CR2 NO YES Correct wiring between CR2 terminal 4 terminal 1 on temp control board Is the thermistor shorted or open NO YES Replace ther...

Page 91: ...ES NO Replace the cabinet limit Is there voltage to the input side of the stove limit NO YES Correct wiring between stove limit and cabinet limit Is there voltage to the output side of the stove limit NO YES Replace the stove limit Is there voltage across the coil of the steam valve YES NO Correct wiring to the steam valve Do the steam valves operate properly YES UNIT OPERATIONAL NO Replace steam ...

Page 92: ...dary neutral terminal 3 Connect supply and run unit Correct wiring between primary fuse and supply Continued on next page column 2 Replace thermister YES NO NO YES Reference voltage to transformer neutral terminal 3 Testing conducted with unit running and calling for heat Reference voltage to supply neutral Is power supplied to unit Is there voltage to output of primary fuse s there voltage across...

Page 93: ...there voltage at N C terminal of airflow switch Correct wiring between terminal 7 of motor control relay and N C of airflow switch Is there voltage at terminal 7 of motor control relay Replace motor control relay Is there voltage at terminal 4 of motor control relay Correct wiring between fan motor centrifugal switch and motor control relay Is there voltage at terminal 3 of fan motor centrifugal s...

Page 94: ...re voltage to output of cabinet limit Correct wiring between stove limit and cabinet limit Is there voltage to input of stove limit Replace stove limit Is there voltage to the output side of the stove limit Replace or rebuild steam valve Does the steam valve operate properly Check for proper steam supply Correct if necessary Is heat produced Continued from column 2 of previous page NO YES NO NO NO...

Page 95: ...al N C on switch B NO YES Is there voltage from terminal 4 on CR2 to transformer neutral Replace CR2 NO YES Correct wiring between terminal 4 on CR2 terminal 1 on temp control board Is the thermistor shorted or open NO YES Replace thermistor Replace the temperature control board YES CONTINUED ON NEXT PAGE Single and stacked tumblers with and without time delay Is the unit equipped with a time dela...

Page 96: ... NO Replace the cabinet limit Is there voltage to the input side of the stove limit NO YES Correct wiring between stove limit and cabinet limit Is there voltage to the output side of the stove limit NO YES Replace the stove limit Is there voltage across coil of steam valve YES NO Correct wiring to steam valve Does the steam valve operate properly YES UNIT OPERATIONAL NO Replace or rebuild steam va...

Page 97: ...nnected 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 test again Reconnect and run diagnostic te...

Page 98: ...ry Plug unit in and start cycle Correct wiring between primary fuse and power supply Replace primary fuse s Correct wiring between primary fuse and transformer Is there 24 VAC across terminals 1 4 of transformer secondary Replace transformer Is there 24 VAC at the input of the secondary fuse Is there 24 VAC at output side of secondary fuse Correct wiring between secondary fuse and transformer Repl...

Page 99: ...24V 3 5A 120V 24V 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 F...

Page 100: ...ect wiring between secondary fuse and transformer Replace secondary fuse NO NO NO NO NO NO YES YES YES YES YES YES YES Is there 24 VAC at N O of door switch Is there 24 VAC at N O of lint drawer switch Check for proper operation replace if necessary Correct wiring between N O on lint drawer and COM on door switch Correct wiring between N O and output of secondary fuse Check for proper function of ...

Page 101: ...A 120V 24V 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 ...

Page 102: ...ay 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 T2 ...

Page 103: ...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 checks 9 Correct wiring between fan motor and motor control relay Replace fan motor Correct wiring between terminal 6 of motor control rela...

Page 104: ...5 6 7 8 9 10 WHT WHT THERMISTOR BLK WHT H4 025 030 MODELS 035 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 28Vdc OPTO OFF WHEN HEAT RELAY MOTOR RELAY H2 5 DOOR SENSING CIRCUIT ALLOWS VOLTAG...

Page 105: ...MPER 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 8 12 9 ...

Page 106: ... 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 centr...

Page 107: ...ES 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 lock out ...

Page 108: ...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 10 watt CONTROL TO TURN ON MOTOR RELAY ONLY WHEN DOOR IS CLOSED SWITCH IS PRESSED 24Vac WIRE JUMPER 120Vac 6 8K ohm 5 ...

Page 109: ...witch 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 centrifugal swi...

Page 110: ...l 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 steam valve open al...

Page 111: ...ATING 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 ohm 10 ...

Page 112: ...w 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 motor centrifu...

Page 113: ... continued 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 ...

Page 114: ... 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 Imax 5ma H3...

Page 115: ...NOTE For all other card reader errors consult the card reader manual provided by the manufacturer Display Definition Corrective Action OP Indicates an open circuit in the thermistor Check thermistor Replace if inoperative Check wiring between control and thermistor Refer to wiring diagram for proper wiring Check control Replace if inoperative SH Indicates a short circuit in the thermistor Check th...

Page 116: ...CH SERVICE DOOR SERVICE DOOR SERVICE DOOR SERVICE DOOR BRN BRN BRN BRN 2 2 2 2 GRY GRY GRY GRY H5 3 3 H5 H5 3 3 H5 PNK PNK PNK PNK 5 1 1 5 5 1 1 5 8 6 4 4 6 8 8 6 4 4 6 8 10 9 7 7 9 10 10 9 7 7 9 10 12 11 11 12 12 11 11 12 SWITCH COIN VAULT SWITCH SERVICE DOOR BRN GRY COIN DROP 1 OPTIONAL OPTIONAL COIN DROP 2 PNK H5 3 1 5 8 6 4 2 RED BLK WHT BLU 12 11 10 9 7 BLK WHT PLEASE CONSULT CARD READER INST...

Page 117: ... 240V SERVICE 120V SERVICE AND TO L2 FOR CONNECT BLK RED TO L1 FOR LT BLU GRY BLK BRN WHT WHT BRN 1 1 2 2 TB1 LT BLU L2 CONNECTION SERVICE L1 N ORG WHT GRY BLK A 7 B 8 9 RELAY MOTOR 4 5 6 BLK RED BLK RED BLK BLK RED 4 5 BLK LT BLU LT BLU BLK RED BLK BLK 6 3 2 1 WHT SECONDARY FUSE WHT BLU WHT 11 11 BLK WHT GRN YEL WHT VLT PNK BLK WHT BLU PNK RED WHT WHT ORG WHT BRN RED WHT BRN WHT 3 4 7 7 4 3 12 12...

Page 118: ...AY 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 ohm 10 watt JUMPER H2...

Page 119: ...D WHT BLU WHT 2 1 BRN RED RED BLU 2 1 3 3 4 4 BLK RED TRANSFORMER RED RED 1 1 BLK 2 2 SECONDARY FUSE BRN RED BRN WHT WHT BRN RED RED WHT BRN 5 9 9 5 10 10 MODELS 035 9 8 7 10 BLK 1 2 1 2 5 4 3 BLK WHT H4 RED BLU WHT BLU 5 5 RED BLK WHT SECONDARY FUSE RED WHT 4 4 8 2 1 7 7 1 2 8 3 3 WHT BLU 13 12 11 6 6 11 12 13 14 14 RED BLU ORG BRN RED WHT VLT 4 4 3 3 13 BLK 13 14 7 10 10 7 14 15 WHT 15 RED BLK R...

Page 120: ...V CONFIGURATION JUMPER 230 240V MODELS 1 2 3 4 5 6 6 5 4 3 2 1 TRANSFORMER CONFIGURATION JUMPER DETAILS 1 2 2 1 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 Imax 5ma H3 5 4 3 HEAT RELAY MOTOR RELAY START PULSE INPUT AVAILABLE OUTPU...

Page 121: ...NEL SWITCH COM N O SWITCH DOOR COM RED WHT N O PNK GRY SWITCH 5 MODELS 5 4 6 5 4 6 6 4 COIN COM COIN VAULT 3 1 2 PNK 3 1 2 N O 2 1 3 GRY 6 9 5 7 4 3 3 4 7 5 9 6 13 14 WHT BRN 6 4 3 2 11 12 1 7 8 9 5 10 WHT BLU BRN WHT BRN RED ORG WHT BRN 3 3 WHT 4 1 1 4 2 2 RED BLU RED SECONDARY FUSE RED WHT BRN 9 5 10 RED BLK BLK DETAILS PRIMARY FUSE TRANSFORMER 5 6 3 4 2 1 BLK WHT SEE TRANSFORMER JUMPER 1 2 BLK ...

Page 122: ...rly grounded W002R1 WARNING IR Communication 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 on microwand is the IR window covered or blocked on the control if needed replace the electronic control is the IR cap properly attached to the microwand Communication seque...

Page 123: ...d 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 NO YES YES NO...

Page 124: ...of transformer primary Plug unit in and start cycle Correct wiring between primary fuse and power supply Replace primary fuse s Correct wiring between primary fuse and transformer Is there 24 VAC across terminals 1 4 of transformer secondary Replace transformer Is there 24 VAC at the input of the secondary fuse Is there 24 VAC at output side of secondary fuse Correct wiring between secondary fuse ...

Page 125: ...70291301 123 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Control Has No Display Sheet 1 of 2 1 6 7 4 5 3 2 ...

Page 126: ...124 70291301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Control Has No Display Sheet 2 of 2 TMB269S TMB269S ...

Page 127: ... side of secondary 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 24 VAC at N O of door switch Is there 24 VAC at N O of lint drawer switch Check for proper operation replace if necessary Correct wiring between N O on lint drawer and COM on door switch Correct wiring between N O and output of secondary fuse C...

Page 128: ...126 70291301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Door Open Indicator Sheet 1 of 2 1 4 6 7 8 9 10 11 5 3 2 ...

Page 129: ...70291301 127 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Door Open Indicator Sheet 2 of 2 TMB270S TMB270S ...

Page 130: ...ES 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 there votlage a...

Page 131: ...ross 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 chec...

Page 132: ...130 70291301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Motor Will Not Start Run Sheet 1 of 2 1 3 2 4 5 ...

Page 133: ...70291301 131 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Motor Will Not Start Run Sheet 2 of 2 4 5 8 7 6 9 TMB271S TMB271S ...

Page 134: ...132 70291301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Motor Will Not Start Sheet 1 of 2 1 ...

Page 135: ...70291301 133 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Motor Will Not Start Sheet 2 of 2 3 2 12 13 10 11 6 9 TMB272S TMB272S ...

Page 136: ...nal 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...

Page 137: ...tage 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 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 fl...

Page 138: ...136 70291301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Unit Will Not Heat Gas Sheet 1 of 2 1 7 8 4 6 10 12 13 5 2 3 9 11 ...

Page 139: ...70291301 137 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Unit Will Not Heat Gas Sheet 2 of 2 7 8 4 6 10 12 13 14 5 15 9 11 TMB273S TMB273S ...

Page 140: ...s 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 centrifugal switch Cor...

Page 141: ...lowing 2 pages for wiring diagram information 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 steam valve open allowing steam to flow Unit operational Replace steam valve No TMB253S No Heat continued TMB253S ...

Page 142: ...140 70291301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Unit Will Not Heat Steam Sheet 1 of 2 1 7 4 6 10 12 5 2 3 11 9 ...

Page 143: ...70291301 141 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Unit Will Not Heat Steam Sheet 2 of 2 7 8 6 13 TMB274S TMB274S ...

Page 144: ...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 motor centrifuga...

Page 145: ...inued 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 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 YES NO Correct wiring between ...

Page 146: ...144 70291301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Unit Will Not Heat Electric Sheet 1 of 2 1 14 4 10 2 3 17 16 18 15 9 ...

Page 147: ...70291301 145 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Unit Will Not Heat Electric Sheet 2 of 2 7 8 4 6 10 12 13 5 3 11 9 TMB275S TMB275S ...

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ALLIANCE CHD30STE2-CTT30E, Troubleshooting Manual

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