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Error code reference
LG Freezer Error Code E1
Failure of left compartment sensor (sensor wire is cut or short-circuited).
SourceLG GR-K13PBQ Freezer - Full Service Manualp. 10, 16
Diagnostic procedure
The full E1 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
Measure resistance at both ends of CON2 pins 1 and 2 after disconnecting from PCB; normal range is 0.5 Vdc to 4.5 Vdc at the sensor voltage checkpoint; open reads 5 Vdc, shorted reads 0 Vdc.
SourceLG GR-K13PBQ Freezer - Full Service Manualp. 10, 16
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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