Alliance Laundry Systems F8343001 Troubleshooting Manual
  1. Manuals
  2. Brands
  3. Alliance Laundry Systems Manuals
  4. Washer
  5. F8343001
  6. Troubleshooting manual
Alliance Laundry Systems F8343001 Troubleshooting Manual

Alliance Laundry Systems F8343001 Troubleshooting Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Washer-Extractor
Cabinet Hardmount
Refer to Page 8 for Model Numbers
CHM1772C
Part No. F8343001
www.comlaundry.com
December 2009

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the F8343001 and is the answer not in the manual?

Questions and answers

Related Manuals for Alliance Laundry Systems F8343001

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...

Table of Contents