WM2277 WASHER PAGE 5 of 84 TRAINING MANUAL
Fault Diagnosis and Troubleshooting Checklists 37
No Power 37
Vibration and Spin 38
No Water Supply 39
No Detergent 39
No Softener or Bleach 40
Heater Operation Without Water (pressure sensor issue) 41
Drain Malfunction 41
Heater Malfunction 42
Heater Overrun (continuous overheating) 42
No Water Circulation (some models) 43
Spin Malfunction 44
Disassembly and Repair 45
Block Wiring Diagram and Main Board 45
Control Panel 46
Main Board 47
Dispenser 48
Noise Filter 48
Front Cabinet, Tub, and Drum 49
Door 52
Pump(s) 53
Heater 55
Thermistor 55
Removal of foreign object between drum and tub 56
Motor 57
Damper (Suspension) 58
Water Level Switch 59
Tips and Tricks 60
Main Board and Connector Layout 61
Draining the Sump 61
Exploded View 62
Parts List 65
Service Bulletins 69
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