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70284701

35

Section 5 Service Procedures

To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Close gas shut-off valve to gas tumbler before servicing.
• Close steam valve to steam tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be

reconnected to ensure that the tumbler is properly grounded.

W002

WARNING

46. STEAM COIL

Refer to Figure 25.

a. Disconnect pipes to steam coil.
b. Remove bottom screws holding steam coil to

back of tumbler cabinet.

c. Support steam coil and remove top screws, then

remove steam coil.

47. STEAM SOLENOID VALVE

Refer to Figure 25.

a. Disconnect pipes.
b. Disconnect wires.
c. Remove valve by turning valve

counterclockwise.

Allow steam coils and valve to cool down
before attempting any service procedures.

W249

CAUTION

Allow steam coils and valve to cool down
before attempting any service procedures.

W249

CAUTION

Figure 25

TMB2038P

STEAM

SOLENOID

VALVE

STEAM

COIL

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Summary of Contents for D11

Page 1: ...SERVICE MANUAL INDUSTRIAL DRYERS PUBLICATION DATE 12 03 70284701 D11 13 15 ...

Page 2: ......

Page 3: ... and fuse holder assembly 21 25 Cylinder rollers 22 26 Roller shaft 22 27 Cylinder 23 28 Cylinder belt 24 29 Rear cylinder seal 25 30 Roller support and baffle assembly 26 31 Airflow switch 27 32 Stove high limit thermostat 27 33 Complete gas valve assembly 28 34 Burner tube assembly 30 35 Viewer window 30 36 Igniter assembly 30 37 Electronic ignition control 31 38 Thermistor 32 39 Cabinet thermos...

Page 4: ...OPL microprocessor 85 81 Will not heat Gas EDC models 88 82 Will not heat Gas Manual timer 90 83 Will not heat Gas Rotary coin drop 92 84 Will not heat Steam EDC models 94 85 Will not heat Steam Manual timer 96 86 Will not heat Steam OPL microprocessor 98 87 Will not heat Steam Rotary coin drop 101 Section 8 Micro Display Control Troubleshooting 88 Coins ignored when entered 103 89 Control has no ...

Page 5: ... indicates the presence of a hazard that will cause severe personal injury death or substantial property damage if the danger is ignored DANGER WARNING indicates the presence of a hazard that can cause severe personal injury death or substantial property damage if the warning is ignored WARNING CAUTION indicates the presence of a hazard that will or can cause minor personal injury or property dama...

Page 6: ...esulting 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 serio...

Page 7: ...L UT030N UU030L UU030N HT030S HU030S PT030S PU030S ST030S SU030S UT030S UU030S HT030E HU030E LU030E PT030E PU030E ST030E SU030E UT030E UU030E 35 Pound 350 Liter AT035L AT035N HA035L HA035N HT035L HT035N HU035L HU035N LT035L LT035N LU035L LU035N PA035L PA035N PT035L PT035N PU035L PU035N SA035L SA035N ST035L ST035N SU035L SU035N UA035L UA035N UT035L UT035N UU035L UU035N AT035S HT035S HU035S PT035S P...

Page 8: ...950 for the name and address 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 TMB1823N MODEL NO SERIAL NO MODEL NO SERIAL NO V HERTZ PHASE AMPS WIRES GROUND TOTAL kW MOTOR kW REQ D CIRCUIT BREAKER AMPS FAN OUTPUT MAX WC STATIC PRESSURE EQUIPPED FOR GAS WC MANIFOLD PRESS MIN SUPPL...

Page 9: ...st fan pulls room temperature air in through the air intake at the rear of the tumbler 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 10: ...8 70284701 Section 2 Introduction Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Notes ...

Page 11: ...operative PUSH TO START button not properly activated Manual Timer Models Press and hold in push to start button for three seconds Electrical power off or circuit breaker or fuse blown Check power supply or replace fuses Lint panel open Close and lock lint panel Blown fuse on tumbler Check fuse in junction box and replace if necessary POSSIBLE CAUSE TO CORRECT Electrical power off or circuit break...

Page 12: ...e Refer to Installation Manual for electrical requirements Clothes load is too large Remove part of load Clothes cylinder is binding Check cylinder for binding Inadequate wiring Electrician should verify that wiring and voltage is adequate Inadequate make up air Refer to Installation Manual for make up air requirements Lint buildup around tumbler poor maintenance Clean lint accumulation on and aro...

Page 13: ...ipped for type of gas specified on serial plate If orifices are different from that specified on serial plate obtain and install correct orifices Lint buildup Clean lint compartment Check damper for lint accumulation Check ductwork for lint build up Inadequate duct work and make up air Refer to Installation Manual to ensure that ductwork and make up air openings are sized accurately Inoperative ai...

Page 14: ...FF POSSIBLE CAUSE TO CORRECT Insufficient gas pressure Check gas supply and pressure Inoperative cabinet or stove thermostat Test thermostat and replace if inoperative Improper or inadequate exhaust system Refer to Installation Manual for exhaust systems requirements Improper orifices Tumbler is equipped for type of gas specified on serial plate If orifices are different from that specified on ser...

Page 15: ... Manual for exhaust system requirements Burner ignites and goes out repeatedly Refer to Paragraph 7 Drying selector improperly set Set selector for higher setting Incorrect voltage Refer to Installation Manual for electrical requirements Inadequate make up air Refer to Installation Manual for make up air requirements Exhaust duct to the outside blocked Clean duct to remove blockage Clogged lint sc...

Page 16: ...r panels must be in place and on the machine for proper operation POSSIBLE CAUSE TO CORRECT Dirt in burner Remove burner and blow out the dirt Gas pressure too high or low Check serial plate on back of tumbler for correct gas pressure Incorrect orifices Tumbler is equipped for the type of gas specified on serial plate If orifices are different from that specified on serial plate obtain and install...

Page 17: ...cally grounded in accordance with local codes or in the absence of local codes with the latest edition of the National Electrical Code ANSI NFPA No 70 In Canada the electrical connections are to be made in accordance with CSA C22 1 or the latest edition of the Canadian Electrical Code Part I and or local codes Electrical work should be done by a qualified electrician IMPORTANT To avoid a short to ...

Page 18: ...16 70284701 Section 4 Grounding Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Notes ...

Page 19: ...e left or right hand direction in this manual it is from the service person s position facing the front of the tumbler 13 LOADING DOOR ASSEMBLY Refer to Figure 1 a Open loading door b While supporting door remove two screws from hinge cam at top of door and slide door out of the bottom hinge c Remove door 14 DOOR HINGE Refer to Figures 1 and 2 a Open loading door b While supporting door remove two...

Page 20: ...O NOT COPY or TRANSMIT 16 FRONT PANEL Refer to Figure 3 a Unlock and remove top access panel b Unlock and remove lint panel c Remove two screws at the loading door hinge lug Refer to Figure 1 d Remove eight screws holding front panel to cabinet leaving one screw on the top e Support front panel and pull bottom of panel away from the tumblers far enough to disconnect door switch wires f Remove rema...

Page 21: ...out and away from tumbler d Disconnect wires to door switch NOTE Refer to wiring diagram when rewiring door switch e Press switch tabs in and push switch out through front panel 18 EUROPEAN DOOR SWITCH Refer to Figure 5 NOTE European Models prior to Serial Number 0208002174 are equipped with a second door switch a Remove two screws from the loading door hinge lug Refer to Figure 1 b Remove screws ...

Page 22: ...screws from control door c Swing out control d Push up on control until top hinge clears slot e Disconnect wire harness from cabinet harness f Remove control and place in a clean dry location where it cannot be damaged IMPORTANT Refer to wiring diagram when rewiring control 20 LINT PANEL Coin Unlock panel and remove Refer to Figure 6 OPL Pull panel down from top Refer to Figure 6 21 LINT SCREEN Re...

Page 23: ...ews holding switch to switch mounting bracket NOTE When installing switch switch lever must point toward rear of tumbler 23 JUNCTION BOX CONTROL BOX a Remove four screws holding control tray cover in place Refer to Figure 21 b Remove control tray cover 24 FUSE AND FUSE HOLDER ASSEMBLY Refer to Figures 9 and 10 NOTE Fuse holder is located in the junction box at the rear of the machine There is a fu...

Page 24: ... Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 25 CYLINDER ROLLERS Refer to Figure 11 a Unlock and remove lint panel Refer to Figure 8 b Remove top access panel c Remove front panel d Remove nuts from end of roller shafts Refer to Figure 11 e Lift cylinder slightly and remove rollers from shafts Refer to Figure 11 26 ROLLER SHAFT Refer to Figure 11 a Unlock and remove lint panel R...

Page 25: ... these ground wires must be reconnected to ensure that the tumbler is properly grounded W002 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 27 CYLINDER a Unlock and remove lint panel Refer to Paragraph 20 b Remove front panel Refer to Paragraph 16 c Remove palnut jamnut and washer from cylinder shaft Refer to Figure 12 d Remove drive access cover at rear of tumbler Refer to...

Page 26: ...o ensure that the tumbler is properly grounded W002 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 28 CYLINDER BELT Refer to Figure 13 a Unlock and remove lint panel b Remove front panel c Remove palnut jamnut and washer from trunnion shaft d Remove drive belt service door at rear of tumbler e Raise motor assembly and run belt off motor pulley f Pull cylinder out through fr...

Page 27: ...Systems LLC DO NOT COPY or TRANSMIT 29 REAR CYLINDER SEAL Refer to Figure 14 a Remove cylinder assembly Refer to Paragraph 27 b Remove seal from seal support on rear panel c Degrease area where new seal is to be placed Scrape any remaining adhesive remnants from seal support d Apply generous amount of adhesive into seal support e Carefully install seal into adhesive surface Apply pressure until gl...

Page 28: ...res must be reconnected to ensure that the tumbler is properly grounded W002 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 30 ROLLER SUPPORT AND BAFFLE ASSEMBLY Refer to Figure 15 a Remove cylinder assembly Refer to Paragraph 27 b Remove center partition seal c Remove screws holding roller support to cabinet d Remove screws holding lower baffles to center partition e Remov...

Page 29: ...pyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 31 AIRFLOW SWITCH Refer to Figure 16 a Remove two screws on airflow switch guard and remove guard b Disconnect wires from switch NOTE Refer to wiring diagram when rewiring switch c Remove two screws and one speed nut holding switch to mounting bracket 32 STOVE HIGH LIMIT THERMOSTAT Refer to Figure 17 a Remove cover screws holding gas val...

Page 30: ...AS VALVE ASSEMBLY Refer to Figure 18 a Remove gas valve cover b Disconnect gas valve wire connections c Disconnect gas valve pipe union holding gas shut off valve to gas valve nipple d Remove screws holding gas valve to gas valve bracket and remove valve IMPORTANT When reinstalling gas valve purge air and sediment from gas service line before connecting to tumbler Purge remaining air until odor of...

Page 31: ...OT COPY or TRANSMIT European and Australian Models Non European and Non Australian Models Figure 18 TMB1942P GAS VALVE BRACKET GAS VALVE MANUAL SHUT OFF VALVE CLOSE NIPPLE UNION PIPE NIPPLE ADAPTER ELBOW TMB1973P GAS VALVE RIVET ORIFICE HOLDER BRACKET GAS VALVE COVER GAS VALVE BRACKET ...

Page 32: ...ng stove guard to bottom of stove and remove guard c Remove screws holding burner to stove d Remove burner by sliding burner tube away from gas valve end of stove e Pull down on gas valve end of burner tube and remove from bottom of stove 35 VIEWER WINDOW Refer to Figure 19 a Loosen screw in upper left corner b Remove lower screw c Turn plate counterclockwise in order to view burner tube and ignit...

Page 33: ...removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded W002 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 37 ELECTRONIC IGNITION CONTROL Refer to Figure 21 a Remove screws holding control tray cover to control box and remove cover b Disconnect wire harness c Remove high tension lead d Remove screws holding ignition c...

Page 34: ... DO NOT COPY or TRANSMIT 38 THERMISTOR Refer to Figure 22 a Remove screws holding guard to tumbler and remove cover b Remove screw from belt service door and remove door c Disconnect wires to thermistor d Unscrew thermistor by turning counterclockwise NOTE Do not turn thermistor by spade terminals IMPORTANT Do not damage thermistor during removal 39 CABINET THERMOSTAT Refer to Figure 22 a Remove s...

Page 35: ...right Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 40 HEATER ELEMENT Electric Models Refer to Figure 23 a Remove three screws holding connector cover in place Remove guard b Remove nuts attaching element wires and jumper bars to elements Disconnect element wires c Remove six screws holding element guard to back of heater box Remove guard d Remove element attaching screw holding element to ...

Page 36: ... remove contactor NOTE Refer to wiring diagram when rewiring contactor 42 TERMINAL BLOCK Refer to Figure 24 a Remove screws holding cover and remove cover b Loosen screws and disconnect all wires from terminal block c Remove attaching screws and remove terminal block 43 MOTOR RELAY Refer to Figure 24 a Remove screws holding cover and remove cover b Loosen screws and disconnect all wires from motor...

Page 37: ...operly grounded W002 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 46 STEAM COIL Refer to Figure 25 a Disconnect pipes to steam coil b Remove bottom screws holding steam coil to back of tumbler cabinet c Support steam coil and remove top screws then remove steam coil 47 STEAM SOLENOID VALVE Refer to Figure 25 a Disconnect pipes b Disconnect wires c Remove valve by turning ...

Page 38: ...undry Systems LLC DO NOT COPY or TRANSMIT 48 DRIVE BELT Refer to Figure 26 a Unlock and remove lint panel Refer to Paragraph 20 b Remove front panel Refer to Paragraph 16 c Remove palnut jamnut and washer from trunnion shaft Refer to Figure 12 d Install cylinder guide tool on cylinder shaft Refer to Figure 14 e Remove drive access cover at rear of tumbler Refer to Figure 22 f Raise motor assembly ...

Page 39: ...ure 27 a Remove four nuts and six screws holding fan to rear of tumbler b Tip fan up from bottom to remove c Remove jamnut and palnut holding fan to motor shaft Refer to Figure 28 d Slide fan off shaft NOTE Before attempting to service fan always remove thermistor to prevent damage 50 FAN MOTOR ASSEMBLY Refer to Figure 28 IMPORTANT Before attempting to service fan always remove thermistor to preve...

Page 40: ...ight Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 51 DRIVE MOTOR Refer to Figure 29 a Remove two screws holding drive access cover in place Remove door Refer to Figure 22 b Disconnect spring c Lift motor up d Reach into cabinet and disconnect belt by rolling off pulley e Unscrew nut at end of shaft f Remove plate and motor from shaft to service g Set down motor remove four bolts on top of ...

Page 41: ...umbler as close to the floor as possible All legs must rest firmly on the floor so weight of tumbler is evenly distributed Tumbler must not rock a Check front to rear level by rotating clothes cylinder until one of the cylinder ribs is at the bottom Place a level on the rib Adjust legs as necessary NOTE The front of the tumbler should be slightly higher than the rear approximately 1 8 inch 3 18 mm...

Page 42: ...es or less from being fully closed the switch actuator on the door should contact the switch plunger and depress it enough to close the switch with an audible click If tab does not depress the switch plunger enough to operate the switch bend tab on loading door OUTWARD and repeat steps a and b EUROPEAN MODELS Prior to Serial Number 0208002174 European tumblers prior to Serial Number 0208002174 hav...

Page 43: ...these ground wires must be reconnected to ensure that the tumbler is properly grounded W002 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 55 LOADING DOOR STRIKE Refer to Figure 31 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 p...

Page 44: ...42 70284701 Section 6 Adjustments Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Notes ...

Page 45: ...gnition system will attempt to light the gas by sparking for approximately 12 seconds If gas ignition does not take place within approximately 12 seconds the Instant Electronic Ignition control will go into safety lockout and the valve will no longer open until Instant Electronic Ignition control is reset To reset Instant Electronic Ignition control remove power from control by opening and closing...

Page 46: ...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 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 ...

Page 47: ...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 or optic switch If problem still exists then replace the EDC control Start coin drop diagnostic tests YES NO Y...

Page 48: ... of the 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 ...

Page 49: ...ectronic Control Troubleshooting Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 60 CONTROL DISPLAY DOOR ERROR ON 25 30 STACKED 30 AND 35 POUND TUMBLERS WITH 24 VOLT EDC CONTROLS TMB1788S 1 2 3 4 5 7 6 8 9 10 11 ...

Page 50: ... 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 second...

Page 51: ...of transformer 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 a...

Page 52: ...ndary 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 ...

Page 53: ...ote Reference 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 m...

Page 54: ... 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 there voltage to N O of door switch Replace TMR1 YES NO Correct wiring between N O of door switch and H1 3 o...

Page 55: ...nsformer 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 switc...

Page 56: ...sformer 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 advance YES NO YES Repla...

Page 57: ...P 1 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 Y...

Page 58: ... 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 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 ...

Page 59: ...mer 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 advance YES NO YES Replace c...

Page 60: ...MN 1 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 ...

Page 61: ... to output side 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 be...

Page 62: ...tor control 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 ph...

Page 63: ...ss 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 checks...

Page 64: ...anel switch 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...

Page 65: ...rrect 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 fo...

Page 66: ...tage 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 sho...

Page 67: ...s 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 Is there voltage across DOB contacts on TMR2 Replace time delay boa...

Page 68: ... 5 on 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 ...

Page 69: ...l YES 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 ...

Page 70: ...erminals 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 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 moto...

Page 71: ...rect 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 Cor...

Page 72: ...of 3 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 73: ...e push to start 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 ...

Page 74: ...lace 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 m...

Page 75: ...rd YES NO Is 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 sw...

Page 76: ...minals 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 co...

Page 77: ...start 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 ...

Page 78: ...place 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 ...

Page 79: ... 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 B A of the motor control relay Correct wiring between motor control relay and airflow switch NO Check for ...

Page 80: ...entrifugal 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 volta...

Page 81: ... 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 thermistor R...

Page 82: ... 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 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 ...

Page 83: ...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 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 t...

Page 84: ...the stove 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 85: ...minal 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 Single and three phase units Is the unit equipped with a time delay board NO YES Is ther...

Page 86: ...t limit 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 wiri...

Page 87: ...en 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 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 se...

Page 88: ...ow switch 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 ...

Page 89: ...age to 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...

Page 90: ...rminal 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 mo...

Page 91: ... of ICM 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 o...

Page 92: ... from terminal 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 Repl...

Page 93: ...n 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 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 acr...

Page 94: ...R2 to terminal 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...

Page 95: ...binet 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...

Page 96: ...airflow switch 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 ce...

Page 97: ...eet 2 of 2 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 98: ...tage from terminal 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 ...

Page 99: ...mit 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 coil of the steam valve YES NO Correct wiring to the steam valve Do the steam valves operate properly YES UNIT OPERATIONAL NO Replace s...

Page 100: ...ormer secondary 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 vol...

Page 101: ...y Is 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 centrifu...

Page 102: ...Is there 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...

Page 103: ...R2 to terminal 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...

Page 104: ...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 coil of steam valve YES NO Correct wiring to steam valve Does the steam valve operate properly YES UNIT OPERATIONAL NO Replace or rebuild st...

Page 105: ...cal 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 YES NO NO Single and stacked units Gas and electric heat Sing...

Page 106: ...ls 1 2 of transformer 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 ...

Page 107: ...H4 025 030 MODELS L2 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 JUM...

Page 108: ...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 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 f...

Page 109: ...30 MODELS L2 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...

Page 110: ...motor control relay 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...

Page 111: ... 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 9 Correct wiring between fan motor and motor control relay Replace fan motor Correct wiring between terminal 6 of mot...

Page 112: ...IL B A M 7 4 GRN YEL 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 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...

Page 113: ...ORMER CONFIGURATION 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...

Page 114: ... 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 ce...

Page 115: ...imit 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 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 operatio...

Page 116: ...HT 1 2 3 4 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 AL...

Page 117: ...nd 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 switch Replace fan motor Is there voltage across terminals 3 5 ...

Page 118: ...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 O YES O ES O 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 ...

Page 119: ...EAM VALVE 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 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 JUMPE...

Page 120: ...lay and N C terminal 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 termi...

Page 121: ... Is there voltage across the coil s of the heater contactor s No Heat 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...

Page 122: ...VE LIMIT THERMOSTAT 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...

Page 123: ...ctric power 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 the...

Page 124: ...E 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 INSTALLATION ...

Page 125: ...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 13 14 14 13 6...

Page 126: ...NG 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 wat...

Page 127: ... 9 8 7 1 RED 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 1...

Page 128: ... MODELS 240V 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 AVAI...

Page 129: ...WHT LINT PANEL 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 JUMP...

Page 130: ...128 70284701 Section 8 Micro Display Control Troubleshooting Error codes Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Notes ...

Page 131: ... COMMUNICATION 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 sequence checks ou...

Page 132: ...tween 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...

Page 133: ...ltage across terminals 1 2 of transformer 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 wirin...

Page 134: ...132 70284701 Section 9 NetMaster Troubleshooting Control has no display Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT CONTROL HAS NO DISPLAY Sheet 1 of 2 1 6 7 4 5 3 2 ...

Page 135: ...70284701 133 Section 9 NetMaster Troubleshooting Control has no display Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT CONTROL HAS NO DISPLAY Sheet 2 of 2 TMB269S TMB269S ...

Page 136: ... 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 doo...

Page 137: ...70284701 135 Section 9 NetMaster Troubleshooting Door open indicator Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Please see following 2 pages for wiring diagram information ...

Page 138: ...136 70284701 Section 9 NetMaster Troubleshooting Door open indicator Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT DOOR OPEN INDICATOR Sheet 1 of 2 1 4 6 7 8 9 10 11 5 3 2 ...

Page 139: ...70284701 137 Section 9 NetMaster Troubleshooting Door open indicator Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT DOOR OPEN INDICATOR Sheet 2 of 2 TMB270S TMB270S ...

Page 140: ...or 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 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...

Page 141: ...s there voltage 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 ...

Page 142: ...140 70284701 Section 9 NetMaster Troubleshooting Motor will not start run Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT MOTOR WILL NOT START RUN Sheet 1 of 2 1 3 2 4 5 ...

Page 143: ...70284701 141 Section 9 NetMaster Troubleshooting Motor will not start run Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT MOTOR WILL NOT START RUN Sheet 2 of 2 4 5 8 7 6 9 TMB271S TMB271S ...

Page 144: ...142 70284701 Section 9 NetMaster Troubleshooting Motor will not start run Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT MOTOR WILL NOT START Sheet 1 of 2 1 ...

Page 145: ...284701 143 Section 9 NetMaster Troubleshooting Motor will not start run Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT MOTOR WILL NOT START Sheet 2 of 2 3 2 12 13 10 11 6 9 TMB272S TMB272S ...

Page 146: ...rol relay and N C terminal 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 ter...

Page 147: ...imit 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 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 operatio...

Page 148: ...146 70284701 Section 9 NetMaster Troubleshooting Unit will not heat Gas Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT UNIT WILL NOT HEAT GAS Sheet 1 of 2 1 7 8 4 6 10 12 13 5 2 3 9 11 ...

Page 149: ...1 147 Section 9 NetMaster Troubleshooting Unit will not heat Gas Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT UNIT WILL NOT HEAT GAS Sheet 2 of 2 7 8 4 6 10 12 13 14 5 15 9 11 TMB273S TMB273S ...

Page 150: ...inal 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 moto...

Page 151: ...f 2 Please see following 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 152: ...150 70284701 Section 9 NetMaster Troubleshooting Unit will not heat Steam Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT UNIT WILL NOT HEAT STEAM Sheet 1 of 2 1 7 4 6 10 12 5 2 3 11 9 ...

Page 153: ...70284701 151 Section 9 NetMaster Troubleshooting Unit will not heat Steam Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT UNIT WILL NOT HEAT STEAM Sheet 2 of 2 7 8 6 13 TMB274S TMB274S ...

Page 154: ...d N C terminal 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...

Page 155: ...iring between heater cotactor and stove limit Is there voltage across the coil s of the heater contactor s No Heat 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 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 co...

Page 156: ... 70284701 Section 9 NetMaster Troubleshooting Unit will not heat Electric Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT UNIT WILL NOT HEAT ELECTRIC Sheet 1 of 2 1 14 4 10 2 3 17 16 18 15 9 ...

Page 157: ...55 Section 9 NetMaster Troubleshooting Unit will not heat Electric Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT UNIT WILL NOT HEAT ELECTRIC Sheet 2 of 2 7 8 4 6 10 12 13 5 3 11 9 TMB275S TMB275S ...

Page 158: ...156 70284701 Section 9 NetMaster Troubleshooting Unit will not heat Electric Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Notes ...

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