Error code reference

LG Refrigerator Error Code Er rS

Refrigerator sensor (R1-sensor) abnormal - short circuit or open circuit in the upper refrigerator compartment sensor.

SourceLG GM-L277BTRA Refrigerator - Full Service Manualp. 18

Diagnostic procedure

The full Er rS 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 short circuit in the refrigerator sensor R1.

SourceLG GM-L277BTRA Refrigerator - Full Service Manualp. 18

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

206 manuals in the MyPros+ library document this code for LG refrigerator.

Models covered by the manuals that document this code

More models are covered than are listed here.

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