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Error code reference
LG Refrigerator Error Code E Sd
Communication error between Display PCB Micom and Sub PCB Micom.
SourceLG Refrigerator - Full Service Manual: LLMXS3006p. 85-86
Diagnostic procedure
The full E Sd 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 for loose connections, then check voltage at CON1/CON5 and CON102/CON101 pins.
SourceLG Refrigerator - Full Service Manual: LLMXS3006p. 85-86
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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