LG WM2277H series Training Manual page 3

Fault Diagnosis and Troubleshooting Checklists
No Power
Vibration and Spin
No Water Supply
No Detergent
No Softener or Bleach
Heater Operation Without Water (pressure sensor issue)
Drain Malfunction
Heater Malfunction
Heater Overrun (continuous overheating)
No Water Circulation (some models)
Spin Malfunction
Disassembly and Repair
Block Wiring Diagram and Main Board
Control Panel
Main Board
Dispenser
Noise Filter
Front Cabinet, Tub, and Drum
Door
Pump(s)
Heater
Thermistor
Removal of foreign object between drum and tub
Motor
Damper (Suspension)
Water Level Switch
Tips and Tricks
Main Board and Connector Layout
Draining the Sump
Exploded View
Parts List
Service Bulletins
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