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© Copyright 2003, 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
Model Identification ................................................3
Section 1 – Safety Information
Locating an Authorized Servicer ............................6
Section 2 – Introduction
Customer Service ....................................................7
Nameplate Location ................................................7
How Your Washer Works .......................................8
How Your Washer Works .....................................10
Section 3 – Troubleshooting
1. No Spin Condition – Models through Serial No.
9811005967 ....................................................13
2. No motor rotation, or drive failure code “E:DF”
on electronic display units ..............................15
Electromechanical Models
3. Start Up ..........................................................22
4. Start and Door Lock .......................................24
5. Fill Sequence ..................................................26
6. 20 Volt Control ..............................................28
7. 240 Volt Motor Power ...................................30
8. Timer Chart ....................................................32
9. Cycle Timer Motor Control Inputs ................33
10. Cycle Timer Water Fill Input Logic ..............34
11. Washer “DC” Motor Functions .....................35
12. Control System Faults ....................................38
13. No Start on Coin Slide Front Control
Washers ..........................................................38
NetMaster Models
14. Microwand Does Not Communicate With
Control ...........................................................40
15. Coins Ignored When Entered .........................41
16. No Visible Display on Control ......................42
17. Washer Will Not Start – No Door Lock ........44
18. Washer Will Not Start – Control Analysis ....46
19. Washer Will Not Fill ......................................48
20. Washer Overflows .........................................50
21. Pump Does Not Operate ................................52
22. Door Locked, Motor Does Not Run (E:df on
display) ...........................................................54
MDC Models
23. Error Code Listing .........................................57
24. Coins Ignored When Entered .........................58
25. No Visible Display on Control ......................60
26. Washer Will Not Start – No Door Lock ........62
27. Washer Will Not Start – Control Analysis ....64
28. Washer Will Not Fill ......................................66
29. Washer Overflows .........................................68
30. Pump Does Not Operate ................................70
31. Door Locked, Motor Does Not Run (E:df on
display) ...........................................................72
Section 4 – Grounding
32. Wall Receptacle Polarity Check ....................75
33. Machine Ground Connections - Front Control
Washers (Electromechanical Models) ...........76
34. Machine Ground Connections - Rear Control
Washers ..........................................................78
Section 5 – Service Procedures
35. Control Panel (Electromechanical Models) ...81
36. Control Panel (Electronic Control Models) ...82
37. Control Panel Overlay (Electromechanical
Models) ..........................................................87
38. Control Panel Overlay (Electronic Control
Models) ..........................................................88
39. Cabinet Top ....................................................90
40. Pressure Switch ..............................................95
41. Motor Control Board .....................................96
42. Timer Assembly .............................................97
43. Control Cabinet Front ....................................99
44. Coin Drop ....................................................100
45. Card Reader .................................................108
46. Control Cabinet Wrapper .............................109
47. Relay ............................................................109
48. Electric Drain Pump .....................................111
49. Belt ...............................................................112
50. Mixing Valve ..............................................114
51. Front Panel ...................................................117
52. Loading Door ...............................................119
53. Door Seal and Hose Assembly ....................120
54. Door Switch .................................................121
55. Door Latch Switch .......................................121
(continued)