Service manual

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© Copyright 2008, Alliance Laundry Systems LLC
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
Table of Contents
Section 1 – Safety Information
Locating an Authorized Servicer ............................4
Section 2 – Introduction
Customer Service ....................................................5
Nameplate Location ................................................5
Model Identification ................................................6
How Your Washer Works .......................................7
How Your Washer Works .......................................9
Section 3 – Troubleshooting
1. Motor Circuit ..................................................11
2. Troubleshooting Knocking Noise ..................11
3. Troubleshooting Coin Drop ...........................12
Electromechanical Models
4. Error Code Listing .........................................15
5. Washer Will Not Start – No LEDs/Lights Lit
(No Response to Start Switch) .......................16
6. Washer Will Not Start – No Door Lock
(Door Locked/Close Door LEDs Flashing) ...18
7. Washer Will Not Start – In Use/Close Door
LEDs Flashing (Door must be closed and
attempting to lock) .........................................20
8. Motor Will Not Run (Door Locked/Final Spin
and Tumble LEDs Flashing) ..........................22
9. Washer Will Not Fill (In Use/Door Locked
LEDs Flashing) ..............................................24
10. Washer Overflows ..........................................26
11. Pump or Drain Valve Does Not Operate .......28
12. Serial Communication Error (Final Spin and
Tumble/Close Door LEDs Flashing) .............30
NetMaster and MDC Models
13. Error Code Listing .........................................33
14. Microwand Does Not Communicate With
Control - NetMaster Models Only .................34
15. Coins Ignored When Entered .........................35
16. No Visible Display on Control .......................36
17. Washer Will Not Start – “Door” on display
(Door must be closed and attempting to
lock) ...............................................................38
18. Washer Will Not Fill (Machine Empty, No
E:SP on Display) ............................................40
19. Washer Overflows ..........................................42
20. Pump or Drain Valve Does Not Operate .......44
21. Serial Communication Error (E:SP
on Display) .....................................................46
22. Motor Does Not Run (E:df on Display) .........48
Section 4 – Grounding
23. Wall Receptacle Polarity Check ....................51
24. Machine Ground Connections - Front Control
Washers ..........................................................52
25. Machine Ground Connections - Rear Control
Washers ..........................................................54
26. Machine Ground Connections - Rear Control
Washers ..........................................................56
Section 5 – Service Procedures
27. Control Panel (Front Control Washers) .........59
28. Control Panel (Rear Control Washers) ..........60
29. Electronic Control ..........................................63
30. Control Panel Overlay ....................................66
31. Cabinet Top ....................................................69
32. Pressure Switch ..............................................75
33. Control Cabinet Front (Front Control
Washers) ........................................................76
34. Coin Drop .......................................................78
35. Card Reader ...................................................81
36. Control Cabinet Wrapper (Front Control
Washers) ........................................................83
37. Lower Access Panel .......................................83
38. Inverter Control ..............................................84
39. Electric Drain Pump .......................................85
40. Gravity Drain Valve .......................................86
41. Belt .................................................................87
42. Mixing Valve ................................................89
43. Front Panel .....................................................92
44. Loading Door .................................................94
45. Door Seal and Hose Assembly ......................95
46. Door Switch ...................................................96
47. Door Latch Switch .........................................96
48. Motor ..............................................................96
49. Outer Tub Front Panel ...................................98
50. Inner Basket Pulley ......................................100
51. Inner Basket Assembly ................................101
52. Bearing Housing ..........................................107
(continued)