Model reference
LG LFX31915SW/02
Refrigerator
1 document17 error codes8 service modes
Available documentation
Service Manual
- Refrigerator Service Manual86 pg
MyPros+ Max
Diagnose your LG LFX31915SW/02.
- 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 (17)
CodeMeaning
Er CFCondenser fan errorEr COCommunication error between main PCB and display PCB.Er FFFreezer fan errorEr FSFreezer sensor errorEr gFFlow meter (sensor) defectEr HSHumidity sensor errorEr IFIcing fan errorEr ISIcing sensor errorEr ItIce maker kit defectEr rFRefrigerator fan errorEr rSRefrigerator sensor errorEr rtRoom temperature sensor errorEr SSPantry sensor errorF dHFreezer defrosting errorF dSFreezer defrost sensor errorr dHRefrigerator defrosting errorr dSRefrigerator defrost sensor errorService modes (8)
- Display Check / Error Code RecallSimultaneously press the Ultra Ice button and Freezer Temperature adjustment button for one second…
- Display Mode (Showroom/Demo)With the refrigerator door open, press and hold the Refrigerator Temp Button and ICE PLUS Button…
- Ice-Detecting Sensor Diagnostic Mode1
- Icemaker Test ModePress and hold the FILL key on the icemaker unit for about 3 seconds. The icemaker will run through…
- Test 1 Mode (Compressor/Damper/All Fan On)Push the test button on the Main PCB 1 time
- Test 2 Mode (Damper Closed)Push the test button on the Main PCB 2 times
- Test 3 Mode (Forced Defrost)Push the test button on the Main PCB 3 times
- Toggle Display between °F and °CPress and hold the FRZ TEMP and REF TEMP keys at the same time for over 5 seconds.
Full entry steps, exit procedures, and test sequences are available in Max.
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