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Error code reference
LG Refrigerator Error Code aS
Ambient (room temperature) sensor failure - displayed when the room temperature sensor has a short or open circuit.
SourceLG Refrigerator - Service Manual: GR P2178ETR & GW P227ASFAp. 24, 32
Diagnostic procedure
The full aS 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 room temperature sensor resistance at POINT F voltage; 0V indicates short, 5V indicates open.
SourceLG Refrigerator - Service Manual: GR P2178ETR & GW P227ASFAp. 24, 32
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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