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Alliance Laundry Systems Manuals
Dryer
ATB50CG
Troubleshooting manual
Alliance Laundry Systems ATB50CG Troubleshooting Manual
Drying tumblers 50 pound capacity, 75 pound capacity
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Installation manual
(60 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Section 1 - Safety Information
Locating an Authorized Service Person
Section 2 - Introduction
Model Identification
Customer Service
Serial Plate Location
Safety Warnings and Decals
Safety Precautions for Servicing Tumblers
How a Tumbler Works
Section 3 - Troubleshooting
Motor Does Not Start
Motor Overload Protector Cycles Repeatedly
Motor Runs but Cylinder Does Not Turn
Motor Does Not Stop
Heating Element Does Not Heat or Burner Does Not Ignite - Gas and Electric Models
Pilot Does Not Ignite - Standing Pilot Ignition Gas Models
Pilot Goes out - Standing Pilot Ignition Gas Models
Igniter Does Not Shut off after Gas Ignition - Automatic Pilot Ignition Gas Models
Gas Supply Sufficient but Igniter Does Not Glow - Glow-Bar Ignition Gas Models
Igniter Glows, Sensor Opens but no Ignition - Johnson Controls System Gas Models
Igniter Glows, Sensor Opens but no Ignition - White Rodgers Glow-Bar Ignition Gas Models
Burner Ignites and Goes out Repeatedly - Glow-Bar Ignition Gas Models
Heating Element or Burner Shuts-Off Prematurely
Heating Element or Burner Repeatedly Cycles off on High Limit Thermostat
Heating Element or Burner Does Not Shut-Off
Clothes Do Not Dry
Tumbler Overheating
Burners Not Burning Properly - Gas Models
Loading Door Opens During Operation
Tumbler Runs but no Steam to Coils - Steam Models
Water in Steam Line - Steam Models
Troubleshooting Electronic Control Models
Tumbler will Not Start, Time on Drying Timer, Door Closed - Manual Timer Models
Motor Runs, Time on Drying Timer but no Heat
No Spark to Pilot Burner - Electronic Pilot Ignition Models
Spark to Pilot Burner, no Pilot Flame - Electronic Pilot Ignition Models
Spark to Pilot Burner, Pilot Lights, no Main Burner - Electronic Pilot Ignition Models
Igniter Does Not Glow - Johnson Controls Glow-Bar System
Igniter Glows Constantly - Johnson Controls and White Rodgers Glow-Bar System
Igniter Glows, Cycles off but Burner Does Not Ignite - Johnson Controls Glow-Bar System
Igniter Does Not Glow - White Rodgers Glow-Bar System
Igniter Glows, Cycles off but Burner Does Not Ignite - White Rodgers Glow-Bar System
Igniter Sparks, no Main Burner Ignition - Instant Electronic Ignition
CSH OM Models: no Heat with Cycle Selected, Unit Running and Calling for Heat
OM Models: no Start with Cycle Selected, Start Button Pressed and Door Closed
OM Models: no Display after Selecting One of the ON/SELECT Keys
CE OM Models: no Heat with Cycle Selected, Unit Running and Calling for Heat
CG OM Models: no Heat with Cycle Selected, Unit Running and Calling for Heat
OM Models: no Fan Motor Rotation with Cycle Selected and Start Pressed
MM Models: Fan Motor Does Not Run with Door Closed, Cycle Selected and Start Button Pressed
MM Models: Cylinder Motor Does Not Run or Reverse with Door Closed, Cycle Selected and Start Button Pressed in Reversing Mode or Nonreversing Mode
MM Models: no Heat with Cycle Selected, Unit Running and Calling for Heat
And Calling for Heat
OM Reversing Models: no Cylinder Rotation or Reversing Capabilities
MM Models: no Display after Pressing the ON/SELECT Keys
MM Models: Motor Does Not Run with Door Closed, Cycle Selected and Start Button Pressed
MM Models: Cylinder Motor Does Not Run or Reverse with Door Closed, Cycle Selected and Start Button Pressed in Reversing Mode or Nonreversing Mode
MM Nonreversing Models: Motor Does Not Run with Door Closed, Cycle Selected and Start Button Pressed
CD Models: no Start with Vend Satisfied and Start Button Pushed
CD Models: no Heat with Vend Satisfied and Unit Running
CD Models: no Heat with Vend Satisfied and Unit Running
CD Models: no Start with Vend Satisfied and Start Button Pushed
CD Models: no Start with Vend Satisfied and Start Button Pushed
Section 4 - Adjustments
Cylinder Clearance
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Quick Links
1
Model Identification
2
Motor Does Not Start
3
Heating Element Does Not Heat or Burner Does Not Ignite - Gas and Electric Models
4
Pilot Does Not Ignite - Standing Pilot Ignition Gas Models
5
Troubleshooting Electronic Control Models
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See also:
Installation Manual
Drying Tumblers
50 Pound Capacity
75 Pound Capacity
Refer to Page 5 for Model Numbers
T012c
Part No. 70410501
www.comlaundry.com
September 2007
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Table of Contents
Troubleshooting
Section 3 - Troubleshooting
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Troubleshooting Electronic Control Models
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Summary of Contents for Alliance Laundry Systems ATB50CG
Page 1
Drying Tumblers 50 Pound Capacity 75 Pound Capacity Refer to Page 5 for Model Numbers T012c Part No. 70410501 www.comlaundry.com September 2007...
Page 3: Table Of Contents
All rights reserved. No part of the contents of this book may be reproduced or transmitted in any form or by any means without the expressed written consent of the publisher. 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 4
52. CD Models: No Start With Vend Satisfied and Start Button Pushed ..................79 53. CD Models: No Start With Vend Satisfied and Start Button Pushed ..................81 Section 4 – Adjustments ................82 54. Cylinder Clearance..............82 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 5: Section 1 - Safety Information
NOTE: The word “NOTE” is used to communicate installation, operation, maintenance or servicing information that is important but not hazard related. 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 6: Locating An Authorized Service Person
The manufacturer will not be responsible for any injury or property damage arising from improper service and/or service procedures. W008 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 7: Section 2 - Introduction
JTB75EG DTB75CSH SCB75CSL JT75CE DTB75CG SCB75CG DTB75CSL ST75CSH JTB75CE Pound DTB75EG ST75CG JCB75CSH ST75CSL SCB75CE DTB75FG STB634 JCB75CSL STB75CSH ST75CE JCB75CG STB75CG JT75CSH STB75CSL STB75CE JT75CSL STB75EG 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 8: Customer Service
When calling or writing about your product, be sure to mention model and serial numbers. Model and serial numbers are located on serial plate(s) as shown. T419IE3B © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 9: Safety Warnings And Decals
• Loading door switch MUST be operational before putting tumbler into service. • Junction box cover MUST be reinstalled after inspection or servicing of tumbler is completed. 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 10: How A Tumbler Works
The air then passes through the lint filter, exhaust fan, and is vented to the outdoors. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 11
Introduction Fresh Air Combustion Air Mixed Air Recirculating Air T007CE1A Exhaust Air Energy Saver Models 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 12: Section 3 - Troubleshooting
• Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the tumbler is properly grounded. W002 IMPORTANT: Refer to wiring diagram for aid in testing tumbler components. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 13: Motor Does Not Start
Is the Test relay and motor relay replace if inoperative? inoperative. Have motor tested Is the motor and replace if inoperative? inoperative. continued on next page TMB2131S-a 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 14
Replace idler bearings bearings. binding? Is timer Turn drying timer improperly clockwise to set? desired setting. Test timer and Is timer replace if inoperative? inoperative. TMB2131S-b © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 15: Motor Overload Protector Cycles Repeatedly
Is there lint on and around buildup around the motors. tumbler or poor maintenance? Is there broken, loose Refer to wiring or incorrect diagram. wiring? TMB1904S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 16: Motor Runs But Cylinder Does Not Turn
Is cylinder Check cylinder binding? for binding. Tighten drive Is motor drive pulley bushing pulley loose? screws. TMB2132S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 17: Motor Does Not Stop
Refer to wiring Is wiring diagram. incorrect? Test timer Is timer and relay or relay and replace inoperative? if inoperative. Test accumulator accumulator and replace if inoperative? inoperative. TMB2133S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 18: Heating Element Does Not Heat Or Burner Does Not Ignite - Gas And Electric Models
Refer to Installation Is there Manual to ensure that inadequate Continued on ductwork and make-up ductwork and next page air openings are sized make-up air? accurately. TMB2134S-a © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 19
Gas Models: Glow Bar control and Is the igniter control Test sensor Ignition Gas Models: Is replace if inoperative? and replace if sensor inoperative? inoperative. inoperative. TMB2134S-b 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 20: Pilot Does Not Ignite - Standing Pilot Ignition Gas Models
Replace reset Is pilot gas assembly. filter clogged? Is pilot Clean or gas tube or replace tube pilot orifice or orifice. clogged? TMB2135S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 21: Pilot Goes Out - Standing Pilot Ignition Gas Models
- A harsh Improperly roaring flame will adjusted? draw pilot flame out. Is there carbon Wipe carbon accumulation off end of on heated end thermocouple. of pilot thermocouple? TMB2136S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 22: Igniter Does Not Shut Off After Gas Ignition - Automatic Pilot Ignition Gas Models
Refer to Installation packet. Is burner Manual for flame recommended improperly burner flame adjusted? adjustment. Is pilot and electrode Check assembly assembly for correct incorrectly alignment. installed? TMB2137S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 23: Gas Supply Sufficient But Igniter Does Not Glow - Glow-Bar Ignition Gas Models
Replace glow bar broken or igniter. open? Tumbler is not Is there calling for heat, no circuit check the heat for burner circuit to the ignition operation? system. TMB2138S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 24: Igniter Glows, Sensor Opens But No Ignition - Johnson Controls System Gas Models
(PR1) contact number 7. through gas If no voltage, replace control relay valve? (PR1) or check secondary valve coil and plunger operation. Replace coil if inoperative. TMB2139S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 25: Igniter Glows, Sensor Opens But No Ignition - White Rodgers Glow-Bar Ignition Gas Models
• If voltage is present and main coil does not stay open, replace main coil. • If no voltage is present, replace diode logic board. TMB2140S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 26: Burner Ignites And Goes Out Repeatedly - Glow-Bar Ignition Gas Models
Is high limit Refer to thermostat Flowchart 14 . inoperative? Is the Refer to exhaust system Installation Manual improper or for exhaust system inadequate? equirements. TMB2141S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 27: Heating Element Or Burner Shuts-Off Prematurely
Refer to Gas Models: Installation Is burner flame Manual improperly for burner flame adjusted? adjustment. TMB2142S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 28: Heating Element Or Burner Repeatedly Cycles Off On High Limit Thermostat
(ensuring a properly? tight fit). Is there lint Clean tumbler in tumbler ducts. ducts? Disassemble Is there lint in external exhaust exhaust system and system? clean. TMB2143S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 29: Heating Element Or Burner Does Not Shut-Off
Is wiring Refer to wiring correct? diagram. Replace Is drying timer, timer, relay or relay or contactor contactor. inoperative? TMB2144S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 30: Clothes Do Not Dry
Refer to Installation inadequate Manual for make-up make-up air requirements. air? Is the Refer to Installation exhaust system Manual for exhaust improper or system equirements. inadequate? TMB2145S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 31: Tumbler Overheating
Is the Manual for make-up make-up air inadequate? air requirements. Clean lint compartment. Check damper for lint Is there accumulation. Check lint buildup? ductwork for lint buildup. TMB2146S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 32: Burners Not Burning Properly - Gas Models
Is the Disassemble exhaust duct and clean restricted or exhaust system. blocked? TMB2147S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 33: Loading Door Opens During Operation
Is clothes load Remove part of load too large? and restart tumbler. Refer to Is door strike Installation Manual adjusted for strike incorrectly? adjustment. TMB2126S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 34: Tumbler Runs But No Steam To Coils - Steam Models
Is strainer Remove strainer and clogged? clean. Is timer or Test timer or thermostat thermostat. Replace if inoperative? inoperative. TMB2148S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 35: Water In Steam Line - Steam Models
Check trap for size and capacity. If trap is Is trap dirty or sluggish clean functioning thoroughly or replace. improperly? Check return line for high back pressure. TMB1887S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 36: Troubleshooting Electronic Control Models
“L1”. A ground wire replace battery. discharged? must be secured to the ground screw in the junction box. Continued on next page TMB2149S-a © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 37
24˚F tumbler is started – (-4.4˚C), replace Is temperature at temperature sensor under 24˚F sensor. (-4.4˚C)? TMB2149S-b 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 38: Tumbler Will Not Start, Time On Drying Timer, Door Closed - Manual Timer Models
B of of control Replace drying timer? relay? motor. TMB2150S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 39: Motor Runs, Time On Drying Timer But No Heat
4 across coil Adjust airflow of control terminals of switch. relay? control relay? Continued on next page TMB2151S-a 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 40
Replace burner out of burner high limit high limit thermostat. thermostat? Check for loose or burned connection at harness plug. TMB2151S-b © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 41: No Spark To Pilot Burner - Electronic Pilot Ignition Models
Shift left burner electronic arcing to further to left. package. left burner? Are there cracks in ceramic Replace pilot insulator and electrode encasing ignitor assembly. probe? TMB2152S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 42: Spark To Pilot Burner, No Pilot Flame - Electronic Pilot Ignition Models
3 and light manually)? Remove black wire Replace from terminal 1. right coil Momentarily touch (pilot to terminal 2; is operator). “click” heard? TMB2153S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 43: Spark To Pilot Burner, Pilot Lights, No Main Burner - Electronic Pilot Ignition Models
Is sensor Correct. securely seated in pilot burner? Clear pilot Is pilot filter, orifice or use tube or orifice larger pilot obstructed? orifice. TMB2154S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 44: Igniter Does Not Glow - Johnson Controls Glow-Bar System
Is 120 volts present between Replace each of the purple sensor. wires of sensor and ground? TMB2155S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 45: Igniter Glows Constantly - Johnson Controls And White Rodgers Glow-Bar System
Troubleshooting 29. Igniter Glows Constantly – Johnson Controls and White Rodgers Glow-Bar System Igniter glows constantly – Johnson Controls and White Rodgers Glow-Bar System Replace sensor. TMB2156S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 46: Igniter Glows, Cycles Off But Burner Does Not Ignite - Johnson Controls Glow-Bar System
A and 7 of ignition relay. secondary coil? relay? Replace secondary coil. Is gap between Adjust igniter gap igniter and burner to 1/8 to 1/4 inch. 1/8 to 1/4 inch? TMB2157S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 47: Igniter Does Not Glow - White Rodgers Glow-Bar System
Is 80 - 120 volts present between each of the Replace diode purple wires of logic board. sensor and ground? TMB2158S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 48: Igniter Glows, Cycles Off But Burner Does Not Ignite - White Rodgers Glow-Bar System
1/8 to 1/4 inch? 1/8 to 1/4 inch. open? Is 40 - 60 volts present across Replace diode the purple wires to logic board. the main coil? TMB2159S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 49: Igniter Sparks, No Main Burner Ignition - Instant Electronic Ignition
Is 120 volts present on black Replace IEI wire from IEI control. control? Replace IEI control. Check gas valve coils and TMB2160S replace as required. 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 50: Csh Om Models: No Heat With Cycle Selected, Unit Running And Calling For Heat
5 terminal 3 of the coil of CR1? the motor? of CR1? Replace CR1. Replace Correct wiring Continued on to CR1. motor. next page TMB2161S-a © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 51
Is there Correct wiring to voltage across steam valve coil. the steam valve coil? Unit operational. If unit still doesn’t heat, check steam supply. TMB2161S-b 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 52: Om Models: No Start With Cycle Selected, Start Button Pressed And Door Closed
Check door switch motor relay? supply voltage. voltage to the N.O. for proper terminal of the door operation. Replace switch? if necessary. Continued on next page TMB2162S-a © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 53
L1, L2 and L3 of three phase units? Does the Replace motor. motor operate? Unit operational. TMB2162S-b 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 54: Om Models: No Display After Selecting One Of The On/Select Keys
H3 and and H3-4 on the transformer. micro control? Check fuses. Is there voltage Replace to the input of the micro fuse on the micro control. control? TMB2163S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 55: Ce Om Models: No Heat With Cycle Selected, Unit Running And Calling For Heat
Correct wiring and fan voltage to cabinet limit? between motor motor. terminal 14 of relay and the motor micro. relay? Continued on next page TMB2164S-a 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 56
Check for proper bright red/orange, there elements. voltage to the airflow. Replace is not enough output of the stove limit if airflow. stove limit? necessary. Unit operational. TMB2164S-b © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 57: Cg Om Models: No Heat With Cycle Selected, Unit Running And Calling For Heat
5 the coil terminal 3 of of CR1? the motor? of CR1? Replace CR1. Replace Correct wiring between Continued on motor. CR1 and motor. next page TMB2165S-a 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 58
Check for gas flow and proper Replace Correct wiring gas pressure. Replace gas ignition control. to gas valve. valve or coils of gas valve. TMB2165S-b © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 59: Om Models: No Fan Motor Rotation With Cycle Selected And Start Pressed
Is there L2 and L3 of the between micro and M contactor. voltage to H2-8 motor? control and door of micro switch. control? Unit operational. TMB2166S 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 60: Mm Models: Fan Motor Does Not Run With Door Closed, Cycle Selected And Start Button Pressed
P1 of the micro control. micro control? Replace motor. TMB2167S NOTE: Make sure fuse on x1 of transformer is operational (240 Volt and 480 Volt/60 Hertz/3 Phase units). © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 61: Mm Models: Cylinder Motor Does Not Run Or Reverse With Door Closed, Cycle Selected And Start Button Pressed In Reversing Mode Or Nonreversing Mode
Continued on next page TMB2168S-a NOTE: If the unit will not reverse when reversing is selected, check for proper operation and wiring of reversing switch. Replace if necessary. 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 62
TB1-L1 supply. TMB2168S-b NOTE: If the unit will not reverse when reversing is selected, check for proper operation and wiring of reversing switch. Replace if necessary. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 63: Mm Models: No Heat With Cycle Selected, Unit Running And Calling For Heat
If airflow is of the stove limit? good, replace stove high limit? high limit. Continued on next page TMB2169S-a 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 64
Replace unit heat? steam valve if necessary. Check for proper Is there gas flow gas pressure. through the valve? Replace gas valve Unit if necessary. operational. TMB2169S-b © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 65: And Calling For Heat
IEI board? limit. Correct wiring there voltage between stove limit to the input of the and airflow switch. Continued on stove limit? next page TMB2170S-a 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 66
Check for proper igniter gap. Check Is there for proper a spark? resistance of high voltage lead, 5 k to 25 k ohms. TMB2170S-b © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 67: Om Reversing Models: No Cylinder Rotation Or Reversing Capabilities
Replace voltage to terminals T1, and check terminal of the door forward relay. T2 and T3 of the fuses. switch? forward relay? Continued on next page TMB2171S-a 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 68
Reverse Correct wiring and cylinder. Rotation: Is there between relay voltage to terminals X, Y and supply and Z of the reversing voltage. relay? Unit operational. TMB2171S-b © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 69: Mm Models: No Display After Pressing The On/Select Keys
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. 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 70: Mm Models: Motor Does Not Run With Door Closed, Cycle Selected And Start Button Pressed
P1 of the micro control. micro control? Replace motor. TMB2173S NOTE: Make sure fuse on x1 of transformer is operational (480 Volt/60 Hertz/3 Phase units). © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 71: Mm Models: Cylinder Motor Does Not Run Or Reverse With Door Closed, Cycle Selected And Start Button Pressed In Reversing Mode Or Nonreversing Mode
Continued on next page TMB2174S-a NOTE: If unit will not reverse when reversing is selected, check for proper operation and wiring of reversing switch. Replace if necessary. 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 72
Unit reversing coil. operational. TMB2174S-b NOTE: If unit will not reverse when reversing is selected, check for proper operation and wiring of reversing switch. Replace if necessary. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 73: Mm Nonreversing Models: Motor Does Not Run With Door Closed, Cycle Selected And Start Button Pressed
P1 of the micro control. control? Steam Models: Correct the Is there 120 VAC wiring to M coil. across M coil? Yes - Steam Models Continued on next page TMB2175S-a 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 74
CR1-7 and terminal 4 of 240 VAC units: the motor. Correct wiring Is there 120 VAC to between motor terminal 1 of the CR1. motor? TMB2175S-b © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 75: Cd Models: No Start With Vend Satisfied And Start Button Pushed
L1, L2 and L3 contactor? supply. Correct wiring there voltage between start to the input side of switch and door the Push-To-Start Continued on switch. button? next page TMB2176S-a 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 76
Has the thermal Replace overload cycled? Allow motor. motor to cool and recheck. Unit operational. TMB2176S-b © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 77: Cd Models: No Heat With Vend Satisfied And Unit Running
B? necessary. Correct wiring there voltage between airflow to the COM terminal switch and of the airflow cabinet limit. switch? Continued on next page TMB2177S-a 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 78
3.5 water voltage lead is between column inches for Natural 5,000 Ohms and 25,000 Gas, 10.5 water column Ohms.) inches for L.P. Gas. TMB2177S-b © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 79: Cd Models: No Heat With Vend Satisfied And Unit Running
Check for proper there voltage operation and to the N.O. terminal airflow. Replace of the airflow switch if switch? necessary. Continued on next page TMB2178S-a 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 80
Natural Gas, 10.5 water column inches Is there voltage for L.P. Gas. Replace across V1 and V2 IEI board. of the IEI board? TMB2178S-b © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 81: Cd Models: No Start With Vend Satisfied And Start Button Pushed
Continued on switch? necessary. next page TMB2179S-a NOTE: If motor only runs with start switch pressed in, that means centrifugal switch in motor is bad. Replace motor. 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 82
Does the motor. motor run? Unit operational. TMB2179S-b NOTE: If motor only runs with start switch pressed in, that means centrifugal switch in motor is bad. Replace motor. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 83: Cd Models: No Start With Vend Satisfied And Start Button Pushed
Unit operational. TMB2180S NOTE: If motor only runs with start switch pressed in, that means centrifugal switch in motor is bad. Replace motor. 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 84: Section 4 - Adjustments
Loosen the locknuts on the trunnion housing adjusting bolts. Refer to Figure 2. Cylinder Front Panel 7/16 Inch Top Flange (11.113 mm) Front Panel T057P Figure 1 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410501...
Page 85
Adjustments BELT/CHAIN NONREVERSING Locknuts Trunnion Housing Adjusting Bolts Trunnion Housing Bolts (2 per side) TU202-PT Figure 2 70410501 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
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