What does E04 mean?
Hall sensor not detecting drum rotation.
Common causes
- Broken drive belt
- Failed motor
- Seized idler pulley
- Hall sensor failure
Diagnostic & testing steps
- 1. Open door and try to rotate drum by hand
- 2. If freely spins, check belt
- 3. Inspect idler pulley and drive motor
- 4. Test motor windings
Tools required
- Multimeter
- Phillips screwdriver
OEM parts & part numbers
Drive Belt, Idler Pulley, Drive Motor
Part numbers: WE12M29, WE12X10014
Safety warning
⚠️ Disconnect power before disassembly.
Try DiagBuddy AI free — instant 30-second diagnostics for technicians.