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Error code reference
LG Washer Error Code dE4
Dryer main micom detects door close while display micom detects door open for 3 seconds (occurs during LQC test mode or remote control mode).
SourceLG WKHC152HWA Washer - Full Service Manualp. 29
Diagnostic procedure
The full dE4 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
Enter LQC Test Mode and press Start/Pause for 1 time, re-enter each step. Check display PCB harness connections.
SourceLG WKHC152HWA Washer - Full Service Manualp. 29
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
3 manuals in the MyPros+ library document this code for LG washer.
Models covered by the manuals that document this code
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