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70410501

Troubleshooting

45. MM Models: No Display After Pressing the ON/SELECT Keys

120 Volt/60 Hertz/1 Phase and 208-240 Volt/60 Hertz/1 Phase Gas and Steam Nonreversing
208-240 Volt/60 Hertz/3 Phase and 480 Volt/60 Hertz/3 Phase Gas and Steam Reversing/
Nonreversing

NOTE: Make sure fuse on x1 line of transformer is operational. Used for 480 Volt/60 Hertz/3 Phase voltage.

NOTE: If unable to change settings, the keyboard has been manually locked out. To lock or unlock, press and
hold the START pad and press TIME.

MM Models: No display

after pressing the
ON/SELECT keys

Is there

120 VAC across

COM and Neutral

(P3) terminals on

PC board?

TMB2172S

Correct wiring between TB1-L1

and COM on PC board or

between TB1-N and P3 (Neutral)

on PC board for low voltage.

Correct wiring between COM on

PC board and X1 of transformer for

480 Volt/60 Hertz/3 Phase voltage.

Replace

PC board.

Yes

Содержание ATB50CG

Страница 1: ...www comlaundry com Troubleshooting Part No 70410501 September 2007 Drying Tumblers 50 Pound Capacity 75 Pound Capacity Refer to Page 5 for Model Numbers T012c...

Страница 2: ......

Страница 3: ...matic Pilot Ignition Gas Models 20 9 Gas Supply Sufficient But Igniter Does Not Glow Glow Bar Ignition Gas Models 21 10 Igniter Glows Sensor Opens But No Ignition Johnson Controls System Gas Models 22...

Страница 4: ...un With Door Closed Cycle Selected and Start Button Pressed 58 41 MM Models Cylinder Motor Does Not Run or Reverse With Door Closed Cycle Selected and Start Button Pressed In Reversing Mode or Nonreve...

Страница 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...

Страница 6: ...ng 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 af...

Страница 7: ...TB50EG TKD50CGMT ATB50CSH DCB50CSH DTB50CSH DTB50CSL JC50CSH JCB50CSH JT37CSH JT37CSL JT50CSH JT50CSL JTB50CSH JTB50CSL SC50CSH SCB50AT SCB50CSH ST37CSH ST37CSL ST50CSH ST50CSL STB50CSH STB50CSL DCB50...

Страница 8: ...whom the machine was purchased or contact Alliance Laundry Systems at 920 748 3950 for the name and address of the nearest authorized parts distributor For technical assistance call 920 748 3121 Seria...

Страница 9: ...cing Tumblers Disconnect electrical service Shut off supply gas valve before servicing gas components Control panel and access panel MUST be reinstalled after inspection or servicing of tumbler is com...

Страница 10: ...e 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 laundry by the tumbling action of the cylin...

Страница 11: ...70410501 9 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Introduction T007CE1A Fresh Air Combustion Air Mixed Air Recirculating Air Exhaust Air Energy Saver Models...

Страница 12: ...ire 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 servi...

Страница 13: ...start circuit not complete Yes Press start switch or test switch and replace if inoperative Is the motor inoperative Yes Have motor tested and replace if inoperative Refer to wiring diagram Yes Are i...

Страница 14: ...tart continued Are trunnion bearings binding Yes Replace trunnion bearings TMB2131S b Are idler bearings binding Replace bearings No Yes Is timer improperly set Turn drying timer clockwise to desired...

Страница 15: ...thes 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...

Страница 16: ...elt broken or loose Replace or adjust cylinder belt Is cylinder binding Check cylinder for binding Yes Yes TMB2132S Is motor drive pulley loose Yes Tighten drive pulley bushing screws No Is drive belt...

Страница 17: ...tch not working properly Test switch and replace if inoperative Refer toInstallation Manual for proper switch adjustment Is wiring incorrect Refer to wiring diagram Is timer or relay inoperative Test...

Страница 18: ...r for lint accumulation Check ductwork for lint buildup Yes Refer to Installation Manual to ensure that ductwork and make up air openings are sized accurately Yes Is there lint buildup TMB2134S a No C...

Страница 19: ...if necessary Gas Models Is there an insufficient gas supply Open partially closed gas shut off valve or correct low gas pressure Check manifold pressure and adjust to pressure specified on serial plat...

Страница 20: ...air from gas line Is pilot orifice incorrect Tumbler is equipped for type of gas specified on serial plate If pilot orifice is different from that specified on serial plate obtain and install correct...

Страница 21: ...lame Improperly adjusted Close air shutter slightly A harsh roaring flame will draw pilot flame out Is there carbon accumulation on heated end of pilot thermocouple Wipe carbon off end of thermocouple...

Страница 22: ...fferent from that specified on serial plate obtain the necessary components to correct the problem Is gas supply insufficient Open partially closed gas shut off valve or correct low gas pressure Is bu...

Страница 23: ...r Ignition Gas Models Gas supply sufficient but igniter does not glow Glow Bar Ignition Gas Models Has sensor failed with contacts open Replace sensor Is igniter broken or open Replace glow bar ignite...

Страница 24: ...lumn pressure Manifold pressure should be 3 5 inches Natural Gas or 11 inches L P Gas water column pressure Igniter glows sensor opens but no ignition Johnson Controls System Gas Models Is gas supply...

Страница 25: ...to 1 4 inch Is there no gas flow through gas valve Check for 80 120 volts between red and white wire on gas valve If correct voltage is present and redundant coil does not click open replace complete...

Страница 26: ...burner tubes for build up Is the exhaust system improper or inadequate Yes Refer to Installation Manual for exhaust system equirements No Does tumbler have improper orifices Yes Tumbler is equipped fo...

Страница 27: ...w pressure Gas Models Is tumbler not properly equipped for type of gas used Tumbler is equipped for type of gas specified on serial plate If orifices are different from that specified on serial plate...

Страница 28: ...n Manual for exhaust and make up air requirements Is lint screen clogged Remove screen and clean Lint screen and compartment should be cleaned after every eight hour shift Is there lint in tumbler duc...

Страница 29: ...or Burner Does Not Shut Off Heating element or 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 diagra...

Страница 30: ...improper or inadequate Yes Refer to Installation Manual for exhaust system equirements No Is the voltage incorrect No Refer to Flowchart 13 Yes Set selector for higher setting Yes Refer to Installatio...

Страница 31: ...rrect orifices Yes Adjust gas pressure as specified on serial plate Yes Refer toInstallation Manualfor make up air requirements Yes Is there lint buildup Yes Clean lint compartment Check damper for li...

Страница 32: ...or correct gas pressure Yes Is the airflow switch not functioning properly Yes Replace airflow switch TMB2147S Does the tumbler have incorrect orifices Yes Tumbler is equipped for the type of gas spec...

Страница 33: ...ing Operation Loading Door Opens During Operation Is tumbler improperly leveled Refer toInstallation Manual for leveling leg adjustment Is clothes load too large Remove part of load and restart tumble...

Страница 34: ...nes make sure they are open Is steam trap blocked Remove trap and clean Replace if inoperative Is solenoid valve inoperative Check operation of solenoid valve Is check valve incorrectly installed Chec...

Страница 35: ...eam Models Water in steam line Steam Models Is steam piping installed incorrectly Refer to Installation Manual for steam requirements Is trap functioning improperly Check trap for size and capacity If...

Страница 36: ...n powered for at least two continuous days replace battery Door open light and display flash with door closed Does door switch need adjustment Adjust and test door switch Door open light and display f...

Страница 37: ...replace sensor TMB2149S b Yes Replace temperature sensor Display shows SH and signal sounds Is temperature sensor shorted Display shows OP and signal sounds three minutes after tumbler is started Is t...

Страница 38: ...ch rod Is there line voltage at terminal 3 of control relay Check for broken wire or poor connection at harness plug No No Yes Press push to start switch Is there line voltage out of push to start swi...

Страница 39: ...ken wire to main control thermostat Is there power into airflow switch Is there power on terminal 4 of control relay Replace control relay Is there power across coil terminals of control relay No No Y...

Страница 40: ...broken wire from airflow switch TMB2151S b No Is there power out of cabinet high limit thermostat Is there power into burner high limit thermostat Check for broken wire from cabinet high limit Is the...

Страница 41: ...Is high tension cable securely attached to ignitor post Correct Is there arcing to left burner Shift left burner further to left Are there cracks in ceramic insulator encasing ignitor probe Replace pi...

Страница 42: ...els Is there 24 volts between terminal 1 and ground on electronic package Replace electronic package TMB2153S Is there gas present at pilot burner disconnect white wire from terminal 3 and light manua...

Страница 43: ...ls Are there 24 volts between terminal 3 and ground on electronic package Is wire between sensor and terminal 4 of electronic package connected securely No Replace left coil main operator Yes Correct...

Страница 44: ...em Igniter does not glow Johnson Controls Glow Bar System Is 120 volts present between black wire and ground on main thermostat Is 120 volts present between red and white wires of igniter bracket Yes...

Страница 45: ...dry Systems LLC DO NOT COPY or TRANSMIT Troubleshooting 29 Igniter Glows Constantly Johnson Controls and White Rodgers Glow Bar System Igniter glows constantly Johnson Controls and White Rodgers Glow...

Страница 46: ...lts present across the two wires of the primary coil Can you feel or hear the primary coil open Yes Check for a broken wire between the terminal block and primary coil No Replace primary coil No TMB21...

Страница 47: ...does not glow White Rodgers Glow Bar System Is 80 120 volts present between black wire and ground on main thermostat Is 80 120 volts present between red and white wires of igniter bracket Yes Check h...

Страница 48: ...System Is 80 120 volts present across the red and white wires of the redundant coil Can you hear the redundant coil open Yes Replace diode logic board No Replace complete gas valve No TMB2159S Is 40 6...

Страница 49: ...place as required Connect green wire to ground terminal No TMB2160S Is gas shut off valve turned on Yes Open gas shut off valve No Is 120 volts present on black wire from IEI control Replace IEI contr...

Страница 50: ...thermistor operation Replace micro control if necessary Is there voltage to the input of the motor relay Correct wiring between motor relay and micro control Is there voltage to the output of the moto...

Страница 51: ...at continued 120 Volt 60 Hertz 1 Phase and 208 240 Volt 60 Hertz 1 Phase Nonreversing 208 240 Volt 60 Hertz 3 Phase and 460 480 Volt 60 Hertz 3 Phase Reversing and Nonreversing TMB2161S b Is there vol...

Страница 52: ...transformer No TMB2162S a Correct wiring to transformer primary Check fuses No Is there voltage to the COM terminal of the door switch Correct wiring between door switch and transformer Check fuses Is...

Страница 53: ...H Nonreversing 208 240 Volt 60 Hertz 3 Phase CE Nonreversing 460 480 Volt 60 Hertz 3 Phase CG CE and CSH Nonreversing TMB2162S b Is there voltage to the output of the motor relay Replace motor relay N...

Страница 54: ...o display after selecting one of the ON SELECT keys Is there voltage aross the primary of the transformer TMB2163S Correct wiring between transformer and supply voltage Check fuses Is there 24 VAC acr...

Страница 55: ...ing between H2 6 and H2 13 Yes No No Is there voltage at H2 5 Check for proper thermistor operation Replace micro if necessary Is there voltage to terminal 14 of the motor relay Correct wiring between...

Страница 56: ...for proper airflow Replace airflow switch Is there voltage to the input of the stove limit Correct wiring between stove limit and airflow switch Is there voltage to the output of the stove limit Check...

Страница 57: ...trol Check for proper thermistor operation Replace micro control if necessary Is there voltage to input of the motor relay Correct wiring between motor relay and micro Is there voltage to the output o...

Страница 58: ...voltage to the N O terminal of the airflow switch Check for proper operation and airflow Replace airflow switch if necessary Yes No Yes No Yes No Is there voltage to the input of the stove limit Corre...

Страница 59: ...ge to the COM of the door switch Correct wiring to door switch Check fuse Is there voltage to the N O terminal of the door switch Check door switch and switch rod for proper operation Replace if neces...

Страница 60: ...Check between door switch and X1 of transformer for 480 Volt units Is there 120 VAC to the N O terminal of the door switch Check for proper operation of door switch arm and or replace door switch Is...

Страница 61: ...ormer on 480 volt Is there 120 VAC to the N O terminal of the door switch Check for proper operation of door switch arm and or replace door switch Is there 120 VAC to terminal P2 of the micro control...

Страница 62: ...at the cylinder motor Unit operational Is there voltage at the CW or CCW terminal on the solid state timer Correct wiring between the solid state timer and either the forward or reversing coil Is the...

Страница 63: ...e micro control Yes No No Is there voltage to the input of the stove high limit Correct wiring between stove high limit and micro control Is there voltage to the output of the stove high limit Check f...

Страница 64: ...here voltage across gas valve coils Check wiring Replace IEI board if necessary Is the igniter sparking Check resistance of high voltage lead 5k and 20k Replace if necessary No Yes No Continued from p...

Страница 65: ...there voltage to the N O contact of the airflow switch Check for proper operation of airflow switch and airflow Replace airflow switch if necessary Is there voltage to the input of the stove limit Co...

Страница 66: ...next step Is there a spark Check for proper igniter gap Check for proper resistance of high voltage lead 5 k to 25 k ohms No Yes No Continued from previous page Is there voltage across the coils of t...

Страница 67: ...voltage to the COM of the door switch Correct wiring to door switch Check fuses Is there voltage to the N O terminal of the door switch Correct wiring and check fuses Is there voltage to H2 8 termina...

Страница 68: ...y Reverse Rotation Is there voltage to terminals X Y and Z of the reversing relay Correct wiring between relay and supply voltage No Yes No Continued from previous page Reverse Rotation Is there volta...

Страница 69: ...ransformer is operational Used for 480 Volt 60 Hertz 3 Phase voltage NOTE If unable to change settings the keyboard has been manually locked out To lock or unlock press and hold the START pad and pres...

Страница 70: ...door switch and X1 of transformer for 480 Volt 3 Phase units No Replace motor Is there 120 VAC to the N O terminal of the door switch Check for proper operation of door switch arm and or replace door...

Страница 71: ...480 Volt machines Is there 120 VAC to the N O terminal of the door switch Check for proper operation of door switch arm and or replace door switch Yes No No Is there 120 VAC to terminal P2 of the micr...

Страница 72: ...ut side of the auxiliary contacts on the motor contactor Is there voltage across the coils of either the forward or reversing contactor Replace either the forward or reversing contactor Is there volta...

Страница 73: ...units Is there 120 VAC to the N O terminal of the door switch Check for proper operation of door switch arm and or replace door switch Yes No No Is there 120 VAC to terminal P2 of the micro control C...

Страница 74: ...nits Is there 120 VAC to terminal 1 of the motor Correct wiring between motor CR1 Is there 240 VAC across terminals 1 and 4 of the motor No Yes Continued from previous page Is there 120 VAC across the...

Страница 75: ...With the door closed is there voltage to the N O terminal of the door switch Check door switch for proper operation replace if necessary Is there voltage to the input side of the Push To Start button...

Страница 76: ...erwise Is there voltage to T1 T2 and T3 of the motor contactor TMB2176S b Is the internal wiring of the motor correct for the supply voltage Change the wiring accordingly Has the thermal overload cycl...

Страница 77: ...net limit Check for proper operation replace if necessary Is there voltage to the COM terminal of the airflow switch Correct wiring between airflow switch and cabinet limit Is there voltage to the N O...

Страница 78: ...gh voltage lead is between 5 000 Ohms and 25 000 Ohms Is there voltage across V1 and V2 of the IEI board Replace IEI board No Yes No Continued from previous page Is there voltage to the output of the...

Страница 79: ...h and cabinet high limit Is there voltage to the N O terminal of the airflow switch Check for proper operation and airflow Replace switch if necessary Is there voltage to the input side of the stove h...

Страница 80: ...trode and grounding tab The proper resistance of the high voltage lead is between 5 000 Ohms and 25 000 Ohms Is there voltage across V1 and V2 of the IEI board Replace IEI board No Yes No Continued fr...

Страница 81: ...Check for proper operation of switch A Replace switch A if necessary Is there voltage to COM terminal of the door switch Correct wiring between door switch and switch A of the rotary coin drop With th...

Страница 82: ...start switch pressed in that means centrifugal switch in motor is bad Replace motor Is there voltage to terminal 1 of the control relay TMB2179S b Is there voltage to terminal 1 of the motor Correct...

Страница 83: ...eck for proper operation of switch A Replace switch A if necessary Is there voltage to COM terminal of the door switch Correct wiring between door switch and switch A of the rotary coin drop With the...

Страница 84: ...nt panel NOTE Turning the adjusting bolts clockwise will raise the cylinder and turning them counter clockwise will lower the cylinder Turn both bolts evenly to adjust top and bottom clearance Turn on...

Страница 85: ...410501 83 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Adjustments Figure 2 TU202 PT Locknuts Trunnion Housing Adjusting Bolts Trunnion Housing Bolts 2 per side BELT CHAIN NONREVERSI...

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