Error code reference

LG Refrigerator Error Code Er (Ice Maker Unit)

Poor motor or Hall IC within ice-maker unit, snapping/short-circuit of lead wire, or poor main PCB drive circuit; displayed during LED check only.

SourceLG GW-C207/L207/P207/B207 Refrigerator - Service Manualp. 24-25

Diagnostic procedure

The full Er (Ice Maker Unit) 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 ice maker motor resistance (18-22 ohms at CON8 pins 9,10), Hall IC signal, and drive circuit.

SourceLG GW-C207/L207/P207/B207 Refrigerator - Service Manualp. 24-25

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

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

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