Model reference
LG GR-J257W
Refrigerator
1 document9 error codes3 service modes
Available documentation
Service Manual
- Refrigerator Service Manual85 pg
MyPros+ Max
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- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
- Verified part numbers when replacement is needed
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Error codes (9)
CodeMeaning
Er CFCondenser fan motor errorEr COCommunication error between main PCB and display PCBEr F2Refrigerator sensor 2 errorEr FFFreezer fan motor errorEr FSFreezer sensor errorEr rSRefrigerator sensor errorEr rtRefrigerator ambient/room temperature sensor errorF dHDefrost heater errorF dSDefrost sensor errorService modes (3)
- Icemaker Test ModePress and hold the Test Button on the icemaker for 3 seconds.
- Test Mode 1 - Strong Cold ModePress the TEST button on the Main PCB once.
- Test Mode 2 - Forced Defrost ModeWhile in Test Mode 1, press the TEST button on the Main PCB once more.
Full entry steps, exit procedures, and test sequences are available in Max.
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