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Error code reference
LG Refrigerator Error Code Er RS1
Abnormal Refrigerator Sensor (1) - cut or short circuit wire on the primary refrigerator temperature sensor.
SourceLG LSC27925 Refrigerator - Full Service Manualp. 25, 78
Diagnostic procedure
The full Er RS1 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 a loose connection in CON7 on main PCB.
SourceLG LSC27925 Refrigerator - Full Service Manualp. 25, 78
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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