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Error code reference
LG Refrigerator Error Code Communication error
Communication failure between main MICOM and linear drive MICOM - comp turns off, damper closes.
SourceLG GW-B227 Refrigerator - Full Service Manual (Direct Drive)p. 28
Diagnostic procedure
The full Communication error 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 IC1 PIN60 and IC201 PIN18 voltages; normal communication shows 1-4V, no communication shows always 0V or 5V.
SourceLG GW-B227 Refrigerator - Full Service Manual (Direct Drive)p. 28
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 refrigerator.
Models covered by the manuals that document this code
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