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Alliance Laundry Systems Manuals
Washer
F8343001
Troubleshooting manual
Alliance Laundry Systems F8343001 Troubleshooting Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Safety Information
Explanation of Safety Messages
General Safety Precautions
Important Safety Instructions
Safety Decals
Operator Safety
Introduction
Customer Service
Nameplate Location
Model Identification
Theory of Operation
Starting the Machine
Fill
Supply
Wash
Drain
Extract
Troubleshooting
Machine Does Not Start When Control Reads "Press Start
Door" Displayed at Startup or When Vend Satisfied
Door Does Not Lock at Startup
No Display
Machine Does Not Fill with Water
Abnormal Operation
Door Fails to Unlock at End of the Cycle
Excessive Cycle Time
No Outputs
Excessive Vibration And/Or Noise During Spin
No External Supplies
Machine Powers up in Factory Test Mode
Machine Fills at Wrong Temperature
No Rotation with Drive Fault (80 Pound Models Only)
No Rotation Without Drive Fault (80 Pound Models Only)
No Basket Rotation (F-Speed Models)
No Extract (F-Speed Models)
No Extract (2 Speed Models)
Heat Error (Machines with Auxillary Heat Only)
Can't Access Programming
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Washer-Extractor
Cabinet Hardmount
Refer to Page 8 for Model Numbers
CHM1772C
Part No. F8343001
www.comlaundry.com
December 2009
Table of
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Summary of Contents for Alliance Laundry Systems F8343001
Page 1
Washer-Extractor Cabinet Hardmount Refer to Page 8 for Model Numbers CHM1772C Part No. F8343001 www.comlaundry.com December 2009...
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. F8343001 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 4: Safety Information
W007 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 5: Important Safety Instructions
Do not smoke or use an open features. If this occurs, have the washer checked flame during this time. by a qualified service person. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 6
These surfaces can be extremely hot and will cause severe burns. The steam must be turned off and the pipe, connections, and components allowed to cool before the pipe can be touched. SW014 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 7: Safety Decals
Never operate the machine with a bypassed or disconnected balance system. Operating the machine with severe out-of-balance loads could result in personal injury and serious equipment damage. SW039 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 8: Introduction
C ir . Lo . Lo M ax M ax at ic at ic at er at er Sc h Sc h ly W ly W CHM3025P CHM3025P © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 9: Model Identification
SCN030GX2 SCU030GY2 UCU040GN2 HCN060GX2 HCU060GN2 SCN030GY2 SCU040GC2 UCU060GN2 HCN060GY2 HCU060GX2 SCN040GC2 SCU040GD2 UCU080GNF HCN080GCF HCU060GY2 SCN040GD2 SCU040GE2 UCZ020GN2 HCN080GDF HCU080GCF SCN040GE2 SCU040GL2 UCZ030GN2 HCN080GEF HCU080GDF SCN040GN2 SCU040GN2 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 10: Theory Of Operation
80-pound capacity models use a 2 flange-type bearing that is bolted to the frame. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 11: Troubleshooting
Never start the washer-extractor with any guards/panels removed. Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the washer-extractor is properly grounded. W461R1 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 12: Machine Does Not Start When Control Reads "Press Start
Replace AP2 Control Logic Board. Start Button is released? Start circuit is shorted closed. Check wiring for damage and start switch for proper operation. Repair/replace as necessary. CHM497S CHM497S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 13
Troubleshooting Machine Does Not Start When Control Reads “Press Start” CHM505S CHM505S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 14: Door" Displayed At Startup Or When Vend Satisfied
Is there 24VDC between H6-1 Replace AP1 Output Board. and H6-5 on the AP1 Output Board? Door circuit is open. Diagnose and repair circuit. CHM482S CHM482S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 15
Troubleshooting “dOOr” Displayed at Startup or When Vend Satisfied CHM504S CHM504 NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 16: Door Does Not Lock At Startup
NOTE: Only perform continuity Plugged pressure hose check if PSW SEL LED is OFF If SP1a is closed - Check door solenoid for mechanical issues. CHM480S CHM480S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 17
Troubleshooting Door Does Not Lock at Startup CHM504S CHM504 NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 18: No Display
If voltage across H9-3, H9-2 is below 208 VAC install 208V transformer Replace AP2 Control Logic Board. jumper. CHM483S CHM483S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 19
Troubleshooting Please see following 2 pages for wiring diagram information. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 20
Troubleshooting No Display (Sheet 1 of 2) CHM509S CHM509S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 21
Troubleshooting No Display (Sheet 2 of 2) CHM506S CHM506S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 22: Machine Does Not Fill With Water
Fill LEDs HF Repair/Replace defective valves. or CF lit on the AP1 Output Board? Refer to “No Outputs” flowchart. CHM481S CHM481S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 23
Troubleshooting Machine Does Not Fill with Water CHM509S CHM509S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 24: Abnormal Operation
Check pressure hose connections -Empty level pressure switch. -Pressure transducer on AP1 Connect the pressure hoses . output board. -Three connections on plastic “T”. Is the pressure hose connected? CHM471S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 25
Troubleshooting Abnormal Operation CHM510S CHM510S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 26: Door Fails To Unlock At End Of The Cycle
Unless the machine is rotating, the low level pressure switch? control should open the door. Is there water in the Troubleshoot the drain. machine? Troubleshoot the AP1 Output Board. CHM484S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 27
Troubleshooting Door Fails to Unlock at End of fhe Cycle CHM504S CHM504S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 28: Excessive Cycle Time
If VFD machine, are Ensure machine is loaded properly there load balance issues? Check level switch and associated hoses for obstructions or leaks. Repair/replace as necessary. CHM489S CHM489S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 29: No Outputs
AP1 Output Board. Check voltage at load. Main power relay or interlock relay on AP1 Output Board may be faulty. Replace AP1 Output Board as necessary. CHM485S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 30
Troubleshooting No Outputs (Sheet 1 of 2) CHM506S CHM506S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 31
Troubleshooting No Outputs (Sheet 2 of 2) CHM500S CHM50 NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 32: Excessive Vibration And/Or Noise During Spin
Refer to Installation Manual for specifications. size and grade? Are all panels on Replace all panels. machine? continued on next page CHM492S-a CHM492S-a © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 33
Lift up on the basket at the front of the tub. Is there any Replace the bearings as needed. up and down play that would indicate bearing wear? CHM492S-b CHM492S-b © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 34: No External Supplies
Auxiliary Output Supply Board Board as necessary. connected and in good shape? Ensure external supply wiring is correct. Refer to the No External Supplies Schematic . CHM493S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 35
Troubleshooting No External Supplies CHM508S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 36: Machine Powers Up In Factory Test Mode
Is jumper present at Remove Jumper and move to J28-2 and J28-1. J23? Cycle Power. If control powers up in Factory Test Mode, replace AP2 Control Logic Board. CHM494S CHM494S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 37
Troubleshooting Please see following 2 pages for wiring diagram information. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 38
Troubleshooting Machine Powers Up in Factory Test Mode (Sheet 1 of 2) CHM505S CHM505S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 39
Troubleshooting Machine Powers Up in Factory Test Mode (Sheet 2 of 2) CHM509S CHM509S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 40: Machine Fills At Wrong Temperature
Is temperature selector switch operational (refer to Machine Repair/replace switch as necessary. Fills at Wrong Temperature Schematic)? Refer to “No Output” flowchart. CHM496S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 41
Troubleshooting Machine Fills at Wrong Temperature CHM506S CHM506S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 42: No Rotation With Drive Fault (80 Pound Models Only)
Refer to “No Rotation Without Drive fault on the inverter Fault (80 Pound Models only)” flowchart. drive? Determine what the fault is and act accordingly. Refer to Inverter Drive Supplement. CHM488S CHM488S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 43: No Rotation Without Drive Fault (80 Pound Models Only)
LEDs are lit and check control inputs. between H13-8 to If problem not solved, refer to Inverter Drive Supplement. H13-1? Check for 24VAC at TR2 (control transformer) - J9-1 to J9-4. CHM487S CHM487S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 44
Troubleshooting No Rotation without Drive Fault (80 Pound Models Only) CHM509S CHM509S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 45: No Basket Rotation (F-Speed Models)
Repair/replace contactor as necessary. when contactor is pulled Check motor winding resistance. Replace motor as necessary. Is there voltage getting to the motor? Repair/replace wiring as necessary. CHM486S CHM486S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 46: No Extract (F-Speed Models)
Logic Board and AP1 Output Board. Repair/replace as REV, SPD1, SP2 or necessary. SPD3) on the AP1 Output Board? Refer to Washer-Extractor AC Adjustable Frequency Drive Supplement for further test information. CHM491S CHM491S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 47
Troubleshooting No Extract (F-speed Models) CHM512S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 48: No Extract (2 Speed Models)
3. Repair/replace contactor coil as necessary. Check connectors and overload settings (refer to No Extract (2 Speed Models Schematic) and reset if tripped. CHM490S CHM490S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 49
Troubleshooting No Extract (2 Speed Models) CHM508S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 50: Heat Error (Machines With Auxillary Heat Only)
2. Check steam valve coil. 2. Check electric heat contactor coil(s). 3. Check voltage at line side/load side of heat contactor. 4. Check voltage at heater elements. CHM479S CHM479S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 51: Can't Access Programming
1VDC at H3-11 to H3-2 Replace AP2 Control Logic Board. when access panel switch is operated? Inspect wiring and switch for proper function. Repair/replace either as necessary. CHM495S CHM495S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
Page 52
Troubleshooting Can’t Access Programming CHM505S CHM505S NOTE: Refer to the wiring diagram supplied with your machine. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F8343001...
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