Alliance Laundry Systems SC18EC Troubleshooting Manual

Washer-extractor

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SC18EC, SC25EC, SC27EC, SC35EC,

SC50EC, SC80EC, SF18EC, SF25EC

PREWASH

WASH

RINSE

SPIN

Keep These Instructions for Future Reference.

Electronic

Troubleshooting Guide

ADD COINS

PUSH START

NORMAL

ADD BLEACH

HOT

CLOSE DOOR

START

www.comlaundry.com

Control

Washer-Extractor

PERM

DELICATE

PRESS

WARM

COLD

SPECIAL

WASH

C512I

Part No. F232054R3

November 2001

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Summary of Contents for Alliance Laundry Systems SC18EC

Page 1 Electronic Control Washer-Extractor Troubleshooting Guide SC18EC, SC25EC, SC27EC, SC35EC, SC50EC, SC80EC, SF18EC, SF25EC PREWASH ADD COINS WASH PUSH START PERM SPECIAL DELICATE NORMAL PRESS WASH RINSE ADD BLEACH WARM COLD SPIN CLOSE DOOR START C512I Keep These Instructions for Future Reference.
Page 3 COULD result in serious injury or death. aCAUTION—Hazards or unsafe practices which COULD result in minor or moderate injury or product or property damage. W009 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F232054...
Page 4: 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. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F232054...
Page 5 Occurs when the control senses that the door is open during a cycle. Cor- rect inoperative door locking system. “E:Ub” Unbalance Error Clothes not distributed properly. Redistribute and run cycle. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 7: Troubleshooting
RETEST AGAIN, IF NOT SUCCESSFUL RUN TEST AGAIN. RUN TEST AGAIN. THE FOLLOWING IS THE PROBLEM: – REPLACE COIN DROP. IF THE PROBLEM STILL EXISTS: – REPLACE EDC CONTROL. X237S F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 8: Edc Control Has No Visible Display
AT "H1-1" TO TRANSFORMER "H5-4"? "H1-6"? "H1-9"? CHECK FUSES. REPLACE CHECK WIRING CHECK 2A FUSE ON LOGIC BOARD. TO LOGIC BOARD. INTERLOCK BOARD. CHANGE INTERLOCK BOARD. X238S F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 9 Section 2 Troubleshooting Please see following 2 pages for wiring diagram information. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 10 EXTRACT CONTACTOR H1-2 (V20) (F15) H4-7 H1-2 AUXILIARY DRAIN H1-1 J9-2-7 (V21) J9-2-6 (F16) H4-8 D2 (BLK) D1 (ORG) H1-16 COIN BLOCKING SOLENOID H3-4 DOOR UNLOCK SOLENOID H1-7 F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 11 24vDC 24vDC J9-2-7 OUTPUT FOR DOOR H1-9 D2 (BLK) D1 (ORG) H1-16 AC COMMON UNLOCK SOLENOID DOOR UNLOCK SOLENOID H1-1 H1-7 AC COMMON ACH 24V INPUT X239SE3A F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 12: No Fill Analysis
REFER TO DRAIN AND THE OUTPUT TO "FS-2" ON PUMP ANALYSIS. BOARD? THE OUTPUT BOARD? CORRECT WIRING REPLACE OUTPUT BETWEEN THE BOARD. OUTPUT BOARD AND THE INLET VALVE. X240S F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 13 Section 2 Troubleshooting Please see following 2 pages for wiring diagram information. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 14 (F14) H4-6 EXTRACT CONTACTOR H1-2 (V20) (F15) H4-7 AUXILIARY DRAIN H1-1 J9-2-7 (V21) J9-2-6 (F16) H4-8 D2 (BLK) D1 (ORG) COIN BLOCKING SOLENOID H3-4 DOOR UNLOCK SOLENOID F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 15 24vDC 24vDC J9-2-7 H1-9 H1-16 OUTPUT FOR DOOR D2 (BLK) D1 (ORG) AC COMMON UNLOCK SOLENOID DOOR UNLOCK SOLENOID H1-7 AC COMMON H1-1 X239SE3B ACH 24V INPUT F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 16: Over Flow Analysis
ON THE OUTPUT AT 21 & 31 BOARD? ON PRESSURE SWITCH TO H1-1 ON LOGIC BOARD. CHECK AND CORRECT WIRING TO INLET VALVE. OVERFLOW CONTINUES REPLACE INLET VALVE. X253S F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 17 Section 2 Troubleshooting Please see following 2 pages for wiring diagram information. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 18 (F14) H4-6 EXTRACT CONTACTOR H1-2 (V20) (F15) H4-7 AUXILIARY DRAIN H1-1 (V21) J9-2-7 J9-2-6 (F16) H4-8 D2 (BLK) D1 (ORG) COIN BLOCKING SOLENOID H3-4 DOOR UNLOCK SOLENOID F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 19 24vDC 24vDC J9-2-7 H1-16 OUTPUT FOR DOOR H1-9 D2 (BLK) D1 (ORG) AC COMMON UNLOCK SOLENOID DOOR UNLOCK SOLENOID H1-1 H1-7 AC COMMON X239SE3C ACH 24V INPUT F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 20: Door Lock Switch Analysis
PRESSURE SWITCH. CYLINDER? ON THE SWITCH OUTPUT TERMINALS BOARD? 11 & 12? CHECK WIRING REFER TO DRAIN & BETWEEN THE PUMP ANALYSIS PRESSURE SWITCH & THE OUTPUT BOARD. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 21 IS THERE CONTINUITY FROM "H3-2" TO "H3-1" AT THE OUTPUT BOARD? CHECK WIRING BETWEEN THE J9-2 PLUG AND THE DOOR LOCK SOLENOID. REPLACE DOOR LOCK SOLENOID. X242S F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 22 (F14) H4-6 EXTRACT CONTACTOR H1-2 (V20) (F15) H4-7 AUXILIARY DRAIN H1-1 (V21) J9-2-6 J9-2-7 (F16) H4-8 D2 (BLK) D1 (ORG) COIN BLOCKING SOLENOID H3-4 DOOR UNLOCK SOLENOID F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 23 24vDC 24vDC J9-2-7 H1-16 OUTPUT FOR DOOR H1-9 D2 (BLK) D1 (ORG) AC COMMON UNLOCK SOLENOID DOOR UNLOCK SOLENOID H1-1 H1-7 AC COMMON X239SE3D ACH 24V INPUT F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 24: Door Switch Analysis
AT WIRE 11? AT WIRE 11? ASSEMBLY. REPLACE DOOR SWITCH. REPLACE CORRECT WIRING INTERLOCK BOARD. BETWEEN THE DOOR INTERLOCK CONTROL AND THE CONTROL ASSEMBLY LOGIC BOARD. X243S F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 25 Section 2 Troubleshooting Please see following 2 pages for wiring diagram information. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 26 (F14) H4-6 EXTRACT CONTACTOR H1-2 (V20) (F15) H4-7 AUXILIARY DRAIN H1-1 J9-2-7 (V21) J9-2-6 (F16) H4-8 D2 (BLK) D1 (ORG) COIN BLOCKING SOLENOID H3-4 DOOR UNLOCK SOLENOID F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 27 24vDC 24vDC J9-2-7 H1-9 H1-16 OUTPUT FOR DOOR D2 (BLK) D1 (ORG) AC COMMON UNLOCK SOLENOID X239SE3E DOOR UNLOCK SOLENOID H1-1 H1-7 AC COMMON ACH 24V INPUT F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 28: Agitation Analysis (Hard Mount - Cabinet)
"H4-1" & "H4-5" "H4-1" & "H4-5" TERMINALS ON TERMINALS ON THE OUTPUT THE OUTPUT BOARD? BOARD? CHANGE 2 AMP FUSES. REPLACE F12 & F13 OUTPUT BOARD. X244S F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 29 Section 2 Troubleshooting Please see following 2 pages for wiring diagram information. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 30 (F14) H4-6 EXTRACT CONTACTOR H1-2 (V20) (F15) H4-7 AUXILIARY DRAIN H1-1 (V21) J9-2-6 J9-2-7 (F16) H4-8 D2 (BLK) D1 (ORG) COIN BLOCKING SOLENOID H3-4 DOOR UNLOCK SOLENOID F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 31 24vDC 24vDC J9-2-7 H1-9 H1-16 OUTPUT FOR DOOR D2 (BLK) D1 (ORG) AC COMMON UNLOCK SOLENOID DOOR UNLOCK SOLENOID H1-1 H1-7 AC COMMON X239SE3F ACH 24V INPUT F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 32: Spin Analysis (Hard Mount - Cabinet)
2 AMP FUSE ON THE OUTPUT BOARD. "H4-6" TERMINAL ON "H4-6" TERMINAL ON THE OUTPUT THE OUTPUT BOARD? BOARD? CHANGE 2 AMP FUSE. REPLACE OUTPUT BOARD. X245S F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 33 Section 2 Troubleshooting Please see following 2 pages for wiring diagram information. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 34 (F14) H4-6 EXTRACT CONTACTOR H1-2 (V20) (F15) H4-7 AUXILIARY DRAIN H1-1 (V21) J9-2-6 J9-2-7 (F16) H4-8 D2 (BLK) D1 (ORG) COIN BLOCKING SOLENOID H3-4 DOOR UNLOCK SOLENOID F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 35 24vDC 24vDC J9-2-7 H1-9 H1-16 OUTPUT FOR DOOR D2 (BLK) D1 (ORG) AC COMMON UNLOCK SOLENOID DOOR UNLOCK SOLENOID AC COMMON H1-1 X239SE3G H1-7 ACH 24V INPUT F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 36: W-X Will Not Drain
2 AMP FUSE ON THE 2 AMP FUSE ON THE OUTPUT BOARD. "H5-9" TERMINALS ON "H5-9" TERMINALS ON THE OUTPUT THE OUTPUT BOARD? BOARD? REPLACE FUSE. REPLACE OUTPUT BOARD. X246S F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 37 Section 2 Troubleshooting Please see following 2 pages for wiring diagram information. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 38 (F14) H4-6 EXTRACT CONTACTOR H1-2 (V20) (F15) H4-7 AUXILIARY DRAIN H1-1 (V21) J9-2-6 J9-2-7 (F16) H4-8 D2 (BLK) D1 (ORG) COIN BLOCKING SOLENOID H3-4 DOOR UNLOCK SOLENOID F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 39 24vDC 24vDC J9-2-7 H1-9 H1-16 OUTPUT FOR DOOR D2 (BLK) D1 (ORG) AC COMMON UNLOCK SOLENOID DOOR UNLOCK SOLENOID H1-1 H1-7 AC COMMON X239SE3H ACH 24V INPUT F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 40: W-X Will Not Pump The Water Out Of The Wash Tub
2 AMP FUSE F11 ON THE 2 AMP FUSE F11 ON THE "H4-4" TERMINAL OFF "H4-4" TERMINAL OFF THE OUTPUT THE OUTPUT BOARD? BOARD? CHANGE 2 AMP FUSE. REPLACE OUTPUT BOARD. X247S F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 41 Section 2 Troubleshooting Please see following 2 pages for wiring diagram information. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 42 (F14) H4-6 EXTRACT CONTACTOR H1-2 (V20) (F15) H4-7 AUXILIARY DRAIN H1-1 (V21) J9-2-6 J9-2-7 (F16) H4-8 D2 (BLK) D1 (ORG) COIN BLOCKING SOLENOID H3-4 DOOR UNLOCK SOLENOID F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 43 24vDC 24vDC J9-2-7 H1-9 H1-16 OUTPUT FOR DOOR D2 (BLK) D1 (ORG) AC COMMON UNLOCK SOLENOID X239SE3I DOOR UNLOCK SOLENOID H1-1 H1-7 AC COMMON ACH 24V INPUT F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 44: Optional Heater Will Not Heat
PULL IN WHEN ENERGIZED? CHECK WIRING AND RESISTANCE OF ELEMENTS. EACH ELEMENT _______. REPLACE 2 AMP FUSE. HEATER CONTINUES TO NOT HEAT REPLACE THE REPLACE CONTACTOR(S). OUTPUT BOARD. X248S F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 45 Section 2 Troubleshooting Please see following 2 pages for wiring diagram information. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 46 (F14) H4-6 EXTRACT CONTACTOR H1-2 (V20) (F15) H4-7 AUXILIARY DRAIN H1-1 (V21) J9-2-6 J9-2-7 (F16) H4-8 D2 (BLK) D1 (ORG) COIN BLOCKING SOLENOID H3-4 DOOR UNLOCK SOLENOID F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 47 24vDC 24vDC J9-2-7 H1-9 H1-16 OUTPUT FOR DOOR D2 (BLK) D1 (ORG) AC COMMON UNLOCK SOLENOID DOOR UNLOCK SOLENOID H1-1 H1-7 AC COMMON X239SE3J ACH 24V INPUT F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 48: Inlet Detergent/Chemical Supply Analysis
CHANGE DISPENSER "H5-10", "H5-11" OR DISPENSER VALVES. VALVE. "H5-5" TO "FS-2" ON THE OUTPUT BOARD? REPLACE 2 AMP FUSES. F1, F2 OR F3 REPLACE OUTPUT BOARD. X249S F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 49 Section 2 Troubleshooting Please see following 2 pages for wiring diagram information. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 50 (F14) H4-6 EXTRACT CONTACTOR H1-2 (V20) (F15) H4-7 AUXILIARY DRAIN H1-1 (V21) J9-2-6 J9-2-7 (F16) H4-8 D2 (BLK) D1 (ORG) COIN BLOCKING SOLENOID H3-4 DOOR UNLOCK SOLENOID F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 51 24vDC 24vDC J9-2-7 H1-16 OUTPUT FOR DOOR H1-9 D2 (BLK) D1 (ORG) AC COMMON UNLOCK SOLENOID DOOR UNLOCK SOLENOID X239SE3K H1-1 H1-7 AC COMMON ACH 24V INPUT F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 52: Contactor Analysis
CHECK & CHANGE CONTACTOR AT WIRING TO THE TERMINAL 1-2, 3-4 & 5-6. MOTOR AND/OR DOES THE CONTACTOR THE MOTOR ITSELF. CHECK WITH PROPER CONTINUITY? CHANGE X250S CONTACTOR. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 53 Section 2 Troubleshooting Please see following 2 pages for wiring diagram information. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 54 (F14) H4-6 EXTRACT CONTACTOR H1-2 (V20) (F15) H4-7 AUXILIARY DRAIN H1-1 (V21) J9-2-7 J9-2-6 (F16) H4-8 D2 (BLK) D1 (ORG) COIN BLOCKING SOLENOID H3-4 DOOR UNLOCK SOLENOID F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 55 24vDC 24vDC J9-2-7 H1-16 OUTPUT FOR DOOR H1-9 D2 (BLK) D1 (ORG) AC COMMON UNLOCK SOLENOID DOOR UNLOCK SOLENOID H1-1 X239SE3L H1-7 AC COMMON ACH 24V INPUT F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 56: Vfd Drive Analysis
BEGIN TO OPERATE? CHECK & CORRECT WIRING BETWEEN THE OUTPUT BOARD AND THE CONTACTOR. STILL WILL NOT RUN. CHECK & CHANGE CONTACTOR. STILL WILL NOT RUN. X251S F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 57 Section 2 Troubleshooting Please see following 2 pages for wiring diagram information. F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 58 H4-6 MAINS CONTACTOR H1-6 (V20) (F15) H4-7 H1-2 AUXILIARY DRAIN H1-1 (V21) (F16) H4-8 J9-2-6 J9-2-7 COIN BLOCKING SOLENOID D2 (BLK) D1 (ORG) H3-4 DOOR UNLOCK SOLENOID F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
Page 59 V U R GROUND CONTROL BOARD H1-2 H1-10 P/N 370432 24vDC 24vDC H1-16 OUTPUT/RETURN FOR DOOR H1-9 AC COMMON UNLOCK/LOCK SOLENOID X252SE3A H1-1 H1-7 AC COMMON ACH 24V INPUT F232054 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

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Alliance Laundry Systems SC18EC Troubleshooting Manual

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