What does dC mean?
Door is not properly closed or door lock switch has failed.
Common causes
- Door not fully closed
- Faulty door lock
- Door switch failure
- Wiring damage
- Control board issue
Diagnostic & testing steps
- 1. Ensure door is firmly closed - push until click
- 2. Inspect door seal for obstructions
- 3. Check door strike alignment
- 4. Test door switch continuity
- 5. Verify 120VAC at door lock during cycle start
Tools required
- Multimeter
- T15 Torx screwdriver
OEM parts & part numbers
Door Lock Assembly, Door Switch, Wiring Harness
Part numbers: DC34-00026A, DC64-00519D
Safety warning
⚠️ Unplug before testing electrical components
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