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Error code reference
LG Refrigerator Error Code dE
Display Communication error-communication failure between main PCB and display PCB.
SourceLG Refrigerator - Service Manual: GN-B702GLCA / B602GLCATroubleshooting item 5
Diagnostic procedure
The full dE 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
Press start/pause button and check if door switch operation sound occurs 1 or 2 times.
SourceLG Washing Machine - Service Manual: FR2332WA, FR2350EAZp. 17
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
2 manuals in the MyPros+ library document this code for LG refrigerator.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
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