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Alliance Laundry Systems BWT820*N1102 User Manual

Alliance Laundry Systems BWT820*N1102
130 pages
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www.comlaundry.com
Troubleshooting
Part No. 39201R8
December 2009
Commercial
Automatic
Washer
Metered and Nonmetered
Refer to Page 6 for Model Numbers
H002C

Table of Contents

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Alliance Laundry Systems BWT820*N1102 Specifications

General IconGeneral
ModelBWT820*N1102
CategoryWasher
BrandAlliance Laundry Systems
Capacity20 lbs
Frequency60 Hz
Control TypeMicroprocessor
Cycle OptionsDelicate

Summary

Safety Information

Locating an Authorized Servicer

Guidance on finding authorized repair services for the washer.

Introduction

Customer Service

Information on contacting the manufacturer for parts and assistance.

Nameplate Location

Details on where to find model and serial numbers on the machine.

Model Identification

Identifies various washer models and their features, including control types and tub materials.

General Troubleshooting

1. Clicking Noise During Operation on NEWLY Installed Units

Troubleshooting a clicking noise on new units, including a break-in procedure.

2. No Hot Water

Flowchart for diagnosing and resolving no hot water issues.

3. No Cold Water

Flowchart for diagnosing and resolving no cold water issues.

4. No Warm Water

Flowchart for diagnosing no warm water by checking hot and cold water supply.

5. Water Fill Does Not Stop At Proper Level

Flowchart for troubleshooting water fill issues, including siphoning and leaks.

6. Timer Does Not Advance (Models with Timer Only)

Troubleshooting steps for a timer that does not advance, including checks for pause conditions and motor overload.

7. Motor Does Not Run

Troubleshooting steps for a motor that does not run, including power, lid switch, and motor condition checks.

8. No Agitation

Troubleshooting steps for a washer that does not agitate, covering timer, switches, belt, and transmission.

9. Constant Agitation

Troubleshooting steps for constant agitation, checking timer, wiring, and transmission.

10. Washer Overheats, Cycles On Motor Thermal Protector, Switch Actuator Kicks In and Out

Diagnosing overheating and thermal protector trips, checking belt tension and component binding.

11. Slow Spin Or No Spin

Troubleshooting slow or no spin cycles, checking motor, brakes, and transmission.

12. Constant Spin

Troubleshooting constant spin, checking timer, brake pads, and wiring.

13. Washer Stops In Cycle; Quits After A Couple Loads; Is Intermittent

Troubleshooting intermittent stopping, checking belt, timer, and motor/transmission lock-up.

14. Washer Is Locked Up Or Binding

Diagnosing a locked up or binding washer, checking belt tension, bearings, pump, and transmission.

15. Outer Tub Does Not Empty

Troubleshooting drain issues, checking kinked hoses, obstructions, and pump operation.

16. Excessive Vibration

Troubleshooting excessive vibration, checking load balance, springs, leveling, and floor stability.

17. Water Leaking From Outer Tub

Troubleshooting outer tub leaks, checking seals, holes, hoses, and gaskets.

18. Troubleshooting Coin Drop

Steps to troubleshoot coin drop issues, including cleaning and checking connections.

19. Error Mode

Explains fill and drain errors indicated by the IN USE LED flashing.

20. Coin Slide Can Not Fully Insert

Troubleshooting why a coin slide cannot be fully inserted, checking lever and wiring.

21. Coin Slide Fully Inserts, Switch Does Not Activate

Troubleshooting coin slide insertion with no switch activation, checking lever setup and wiring.

22. Switch Is Activated Too Soon

Diagnosing premature switch activation, checking lever position and setup.

23. Coin Slide Does Not Return Freely

Troubleshooting coin slide not returning freely, checking springs, burrs, and parts.

24. No Cycle Start When the Coin Slide is Activated

Troubleshooting why a cycle won't start after coin slide activation, checking lights, connections, and switches.

25. Washer Will Not Fill (Pressure Switch Diagnostic)

Diagnostic steps for no fill issues using the pressure switch, checking voltage and continuity.

26. Washer Will Not Fill (Mixing Valve Diagnostic)

Diagnostic steps for no fill issues using the mixing valve, checking voltage and water flow.

27. Washer Over Fills (Pressure Switch Open)

Troubleshooting overfilling caused by an open pressure switch, checking voltage and mixing valve.

28. No Agitation – Low and High Speed

Troubleshooting no agitation on low and high speeds, checking motor voltage and control signals.

29. Washer Will Not Spin – Low Speed

Troubleshooting low speed spin issues, checking motor voltage and control signals.

30. Washer Will Not Spin – High Speed

Troubleshooting high speed spin issues, checking motor voltage and control signals.

31. EDC Error Code Listing

Lists EDC model error codes and their causes/corrective actions.

32. Cannot Perform Infrared Communication

Troubleshooting communication issues with the Micro-wand and electronic control.

33. Coins Ignored When Entered

Troubleshooting coin drop issues where coins are ignored, checking control and connections.

34. Electronic Control Has No Visible Display

Troubleshooting a blank display on the electronic control, checking power and wiring.

35. No Fill Analysis

Analyzing no fill conditions, checking voltage at various points including lid switch, pressure switch, and control.

36. No Motor Run — Agitate Analysis

Troubleshooting no motor run during agitation, checking voltage and wiring.

37. No Motor Run — Spin Analysis

Troubleshooting no motor run during spin, checking voltage and lid switch.

38. Overflow Analysis

Diagnosing overflow issues, checking pressure switch and mixing valve.

39. Audit Switch Function Analysis

Analyzing audit switch functions and potential tampering indicators.

40. MDC Error Code Listing

Lists MDC model error codes and their causes/corrective actions.

41. No Visible Display on Control

Troubleshooting a blank display on MDC model control, checking transformer and wiring.

42. Coins Ignored When Entered

Troubleshooting MDC model coin drop issues, checking connections and wires.

43. Washer Will Not Fill (Pressure Switch Diagnostic)

MDC model diagnostics for no fill using pressure switch, checking voltage and continuity.

44. Washer Will Not Fill (Mixing Valve Diagnostic)

MDC model diagnostics for no fill using mixing valve, checking voltage and water flow.

45. Washer Over Fills (Pressure Switch Open)

MDC model troubleshooting for overfilling due to open pressure switch.

46. No Agitation – Low and High Speed

MDC model troubleshooting for no agitation on low and high speeds.

47. Washer Will Not Spin – High Speed

MDC model troubleshooting for high speed spin issues.

48. Washer Will Not Spin – Low Speed

MDC model troubleshooting for low speed spin issues.

49. NetMaster Error Code Listing

Lists NetMaster model error codes for IR communication and card reader issues.

50. Microwand Does Not Communicate With Control

Troubleshooting communication problems between Microwand and control.

51. No Visible Display on Control

Troubleshooting NetMaster model blank display, checking transformer and wiring.

52. Coins Ignored When Entered

NetMaster model troubleshooting for ignored coins, checking control and connections.

53. Washer Will Not Fill (Pressure Switch Diagnostic)

NetMaster model diagnostics for no fill using pressure switch.

54. Washer Will Not Fill (Mixing Valve Diagnostic)

NetMaster model diagnostics for no fill using mixing valve.

55. Washer Over Fills

NetMaster model troubleshooting for overfilling, checking mixing valve.

56. No Agitation – Low and High Speed

NetMaster model troubleshooting for no agitation on low and high speeds.

57. Washer Will Not Spin – High Speed

NetMaster model troubleshooting for high speed spin issues.

58. Washer Will Not Spin – Low Speed

NetMaster model troubleshooting for low speed spin issues.

Adjustments

59. Leveling Legs

Instructions for leveling the washer using its adjustable legs for stability.

60. Pressure Switch

Information on adjusting the pressure switch to set water fill levels.

61. Belt (Agitate and Spin)

Note that no belt adjustment is required.

62. Cleaning Non-Electronic Coin Drop

Steps for cleaning a non-electronic coin drop, including dusting and residue removal.

63. Cleaning Electronic Coin Drop

Procedures for cleaning electronic coin drops, including sensor cleaning.

Motor Test Procedure

Cycle Sequence Charts

Timer No. 28716P and 28719 Cycle Sequence

Details the sequence and timing for specific timer models.

Timer No. 31111P, 31504P and 35368P Cycle Sequence

Details the sequence and timing for specific timer models.

Timer No. 34601P, 34603P, 34604 and 36987 Cycle Sequence

Details the sequence and timing for specific timer models.

Timer No. 34602P Cycle Sequence

Details the sequence and timing for specific timer models.

Timer No. 200914 Cycle Sequence

Details the sequence and timing for specific timer models.

Timer No. 201066 Cycle Sequence

Details the sequence and timing for specific timer models.

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