Alliance Laundry Systems Drying Tumblers Troubleshooting Manual
Drying tumblers
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Also See for Drying Tumblers:
- Installation manual (60 pages) ,
- Maintenance manual (13 pages)
Table of Contents
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Summary of Contents for Alliance Laundry Systems Drying Tumblers
- Page 1 Drying Tumblers Refer to Page 3 for Model Identification T478C T478C T477C T477C Keep These Instructions for Future Reference. (If this machine changes ownership, this manual must accompany machine.) Part No. 70172201 www.comlaundry.com November 2001...
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Page 2: 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. 70172201 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... - Page 3 Steam ....................60 EDC Models..................60 Manual Timer................... 62 OPL Microprocessor ................ 64 Rotary Coin Drop................67 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 4: Introduction
If condition persists, check that the gas shut-off valve is in “on” position and that the gas service is properly connected. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... -
Page 5: Safety Information
Additional precautionary statements (“IMPORTANT” and “NOTE”) are followed by specific instructions. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... -
Page 6: Cannot Perform Infrared (Ir) Communication
Check the following: - IR communication disabled by manual programming. - Is the IR window on the control covered or blocked. - if needed, change EDC board. T027D T027D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... -
Page 7: Coins Ignored When Entered
Are wires exiting coin drop optical sensor Replace coin drop. cracked or broken? Replace coin drop. If problem still exists then replace the EDC control. T026D T026D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... -
Page 8: Control Display
Is there voltage across panel closed? Replace terminals "2" & "3" of transformer. transformer secondary? Correct wiring between "H4-6" of EDC control and COM of lint drawer switch. T028D T028D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... -
Page 9: No Visible Display - Opl Microprocessor Models
"1" & "4" of transformer Replace transformer secondary? Correct wiring Is there voltage across between OPL Micro terminals "H3-3" & and transformer "H3-4" on OPL Micro? secondary. T007D T007D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... -
Page 10: No Visible Display - Power On
"1" & "2" of fuse and transformer primary? transformer. Is there voltage across Replace terminals "2" & "3" of transformer. transformer secondary? T025D T025D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... -
Page 11: Will Not Start
With lint panel Refer to NO closed is there votlage to MOTOR RUN "N.O." terminal of the (run circuit.) liint panel switch? Replace lint panel switch. T050D T050D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 12 2. checks are made with the vend price satisfied. Is there voltage on the "COM" terminal of switch Replace switch "A". "A"? Step 3 continuation. T075D T075D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 13 Correct wiring Is there voltage to N.O. between N.O. of of door switch? door switch and "H1-3" of TMR1. Continue at step 3 on previous page. T076D T076D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 14: Gas
Is there voltage to the Refer to NO output side of the lint MOTOR RUN panel switch? (run circuit). Replace lint panel switch. T041D T041D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 15 2. the vend price satisfied. Is there voltage on the COM terminal of switch Replace switch "A". "A"? Step 3 continuation. T086D T086D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 16 Correct wiring Is there voltage to N.O. between N.O. of of door switch? door switch and "H1-3" of TMR1. Continue at step 3 on previous page. T087D T087D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 17: Steam
Is there voltage to the Refer to NO N.O. terminal of the MOTOR RUN lint panel switch? (run circuit) . Replace lint panel switch. T016D T016D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... -
Page 18: Rotary Coin Drop
2. the vend price satisfied. Is there voltage on the Replace switch "A". COM terminal of switch "A"? Step 3 continuation. T062D T062D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 19 Correct wiring Is there voltage to N.O. between N.O. of of door switch? door switch and "H1-3" of TMR1. Continue at step 3 on previous page. T063D T063D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 20: Will Not Start/Continue Running
"2" & "3" of Replace between "H4-1" and "H4-1" on the EDC transformer transformer. COM of lint drawer control board? secondary? switch. Replace EDC Control. T029D T029D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 21 L1 & T1 and L2 & T2? control relay. Is there voltage at Replace motor terminal "9" of motor control relay. control relay? Continued on next page. T030D T030D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 22 L1, L2, L3 through the motor relay terminals T1, T2, T3. Make the appropriate adjustments when doing voltage checks. T031D T031D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 23: Opl Microprocessor Control
"8" of OPL "8" of OPL Micro of secondary fuse? fuse and Micro? and "COM" of lint transformer. panel switch. Continued on next page. T099D T099D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 24 "OM" control relay. control relay. models and terminals "2" motor control relay? & "4" for "RM" models? Continued on next page. T008D T008D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 25 L1, L2, L3 through the motor relay terminals T1, T2, T3. Make the appropriate voltage checks while doing trouble shooting. T009D T009D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 26: Will Not Run
ON NEXT coils "B" & "A" of the Control Relay Motor Control Relay? and Air Flow PAGE. Switch. ** Tested with the start switch pressed in. T051D T051D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 27 Does the Fan Motor Replace the Fan Run? Motor. Continued on next page. T052D ** Tested with the start switch pressed in. T052D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 28 Cylinder Motor? "9" on the Motor Control Relay. Does the Cylinder Replace the Motor Run? Cylinder Motor. The Cylinder and Fan Motors are operational. T053D T053D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 29 Is there voltage across Replace Time Continued on next "DOB" contacts on Delay Board. page COLUMN 1. TMR2? ** Tested with the start switch pressed in. T072D T072D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 30: Rotary Coin Drop
"6" and power Does the cylinder Replace cylinder motor control relay? supply. motor run? motor. CYLINDER AND Continued on next FAN MOTORS ARE page COLUMN 1. OPERATIONAL. T073D T073D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 31 Cylinder Motor? "9" on the Motor Control Relay. Does the Cylinder Replace the Motor Run? Cylinder Motor. The Cylinder and Fan Motors are operational. T074D T074D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 32: Manual Timer
Motor ON NEXT coils “B” & “A” of the Control Relay Motor Control Relay? and Airflow PAGE. Switch. Tested with the start switch pressed in. T042D T042D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 33 Control Relay. Does the Cylinder Replace the Motor Run? Cylinder Motor. Tested with the start switch pressed in. The Cylinder and Fan Motors are operational. T043D T043D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 34 Air terminals "H1-4" & Flow Switch and "H1-8" on TMR2? check wiring. CONTINUED ON NEXT PAGE. T088D ** Tested with the start switch pressed in. T088D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 35 Is there voltage across Replace motor terminal "6" & "9" of the control relay. motor control relay? T089D ** Tested with the start switch pressed in. T089D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 36: Steam
Motor ON NEXT “B” & “A” of the Motor Control Relay Control Relay ? and Airflow PAGE. Switch. Tested with the start switch pressed in. T017D T017D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 37 Control Relay. Does the Cylinder Replace the Motor Run? Cylinder Motor. Tested with the start switch pressed in. The Cylinder and Fan Motors are operational. T018D T018D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 38: Rotary Coin Drop
Air terminals "H1-4" & Flow Switch and "H1-8" on TMR2? check wiring. CONTINUED ON NEXT PAGE. T064D Tested with the start switch pressed in. T064D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 39 Is there voltage across Replace motor terminal "6" & "9" of the control relay. motor control relay? T065D ** Tested with the start switch pressed in. T065D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 40: Will Not Heat
Correct wiring between CR2 terminal "4" & terminal "1" on Temp Control Correct wiring Board. between motor terminal "5" and Temp Control Board terminal "1". T054D T054D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 41 "HC1" & "HC2" contactor coils and element contactor stove limit. coils? Check wiring between elements, Is there votlage across contactors and the elements? supply. Correct if necessary. T055D T055D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 42: Rotary Coin Drop
Continued on next Is there voltage at Replace motor page. terminal"4" of motor control relay. control relay? T034D T034D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 43 Is there voltage across and supply. Replace the heating elements? "HC1" and or "HC2" if necessary Do the elements Replace elements. produce heat? Unit operational. T035D T035D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 44 "4" on CR2 & neutral? of fan motor. terminal "1" on Temp Control Board. CONTINUED Power supply to ON NEXT Temp Control Board is good. PAGE T077D T077D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 45 "HC1" & to the coils. "HC2"? Check the wiring between elements, Is there voltage across contactors and the elements? supply. Correct if necessary. T078D T078D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 46: Electric/Gas
"N.O." of lint panel lint panel switch primary of and primary fuse. switch? and "COM" of door transformer? switch. Continued on next page column 1. T010D T010D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 47 14 & 13 of terminal "5" of fan Replace fan motor. motor control relay? motor centrifugal switch? Replace motor Continued on next control relay. page. T011D T011D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 48 ICM board board? and stove limit. Correct wiring between supply, contacts and Do the elements elements. Replace produce heat? contactors and/or elements if necessary. UNIT OPERATIONAL. T012D T012D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 49: Edc Models
N.C. terminal on air flow switch. Continued on next Is there voltage across Replace motor page. terminals "7" & "4" of control relay. motor control relay? T032D T032D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 50 Replace gas valve Is there gas flow coils or complete through the gas valve? gas valve. Replace high Does the igniter spark? voltage ignition cable or igniter. T033D T033D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 51 PAGE motor? between CR2 terminal "4" & terminal "1" on Temp Control Board. Correct wiring between motor terminal 5 and Temp Control Board terminal 1. T044D T044D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 52 "2" & "3" of betwee ICM board ICM board? and Stove limit. Is there voltage across terminals "1" & "3" of Replace ICM board the ICM board? T045D T045D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 53 "4" on CR2 & neutral? of fan motor. terminal "1" on Temp Control Board. CONTINUED Power supply to ON NEXT Temp Control Board is good. PAGE T090D T090D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 54 Stove the ICM Board? Limit or neutral. Is there voltage across Replace the ICM terminals "1" & "3" of Board. the ICM Board? T091D T091D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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Page 55: Edc Models
Airflow switch. Continued on next Is there voltage across page. Replace motor terminals “7” & “4” of control relay. motor control relay? T096D T096D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201... - Page 56 Does steam valve Repair or replace operate properly? steam valve. Check for proper Is heat produced? steam supply. Correct if necessary. Unit operational. T097D T097D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 57 PAGE motor? between CR2 terminal "4" & terminal "1" on Temp Control Board. Correct wiring between motor terminal "5" and Temp Control Board terminal "1". T019D T019D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 58 Is there voltage across Correct wiring to the coil of the steam the steam valve. valve? Do the steam valves Replace steam operate properly? valve. T020D T020D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 59 "1" & "2" on and primary fuse. and "COM" of door primary of switch? switch. transformer? Continued on next page column 1. T003D T003D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 60 Is there voltage at terminal 13 of motor terminal "5" of fan Replace fan motor. control relay? motor centrifugal switch? Replace motor Continued on next control relay. page. T004D T004D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 61 Replace stove limit. limit? Is there voltage across Correct wiring to steam valve coil? steam valve coil. Does the steam valve Replace steam operate properly? valve. T005D T005D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 62 "4" on CR2 & neutral? fan motor. terminal "1" on Temp Control Board. CONTINUED Power supply to ON NEXT Temp Control Board is good. PAGE T066D T066D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
- Page 63 Stove Limit. Limit? Is there voltage across Correct wiring to coil of steam valve? steam valve Does the steam valve Replace steam operate properly? valve. T067D T067D © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70172201...
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