Error code reference

LG Washer Error Code 1DC4

Upper washer inner door is open.

SourceLG WV55M9605MV Washer - Full Service Manualp. 31, 38

Diagnostic procedure

The full 1DC4 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check inner door in upper washer; close the door and press START/PAUSE button; check ASSY SWITCH-TACT resistance when pressed (2 pin: approx. 0-0.3 ohms).

SourceLG WV55M9605MV Washer - Full Service Manualp. 31, 38

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

1 manual in the MyPros+ library documents this code for LG washer.

Models covered by the manuals that document this code

75,000+ service documents · 20,000+ error codes · 100+ brands

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