Model reference
LG LFC21760ST/00
Refrigerator
1 document6 error codes7 service modes
Available documentation
Service Manual
- Refrigerator Service Manual46 pg
MyPros+ Max
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Error codes (6)
CodeMeaning
dHDefrost heater or defrost circuit malfunctiondSDefrost sensor defect (short-circuited or open).FFFreezer fan motor failure or lock condition detected.FSFreezer sensor defect (short-circuited or open).rFRefrigerator sensor defect (alternate display code for refrigerator sensor…rSRefrigerator sensor defect (short-circuited or open).Service modes (7)
- Demonstration (Display) Mode1
- Freezer Fan Variable RPM CheckPress and hold the WARMER keys of both REF TEMP and FRZ TEMP simultaneously.
- Icemaker Test ModePress and hold the Fill Key on the icemaker for 3 seconds.
- LED Check FunctionPress and hold the WARMER key of refrigerator temp and the WARMER key of freezer temp for 1 second.
- Room Temperature Sensor Check DisplayPress and hold the WARMER key of refrigerator temp and the WARMER key of freezer temp for more than…
- Temperature Mode Change (°F/°C)Press and hold the FRZ TEMP key and the COLDER key of REF TEMP at the same time for over 5 seconds.
- Test Mode (PCB and product function check)Press two buttons on the display panel simultaneously (specific combination per test mode). Test…
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