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Model reference

LG LRDN20725ST

Refrigerator

4 documents9 error codes21 service modes

Available documentation

Service Manual

  • Refrigerator Service Manual70 pg
    Covers this model
  • Refrigerator Service Manual53 pg
    Covers this model
  • Refrigerator Service Manual63 pg
    Covers this model

Bulletin

  • Change of Compressor Mount (Rubber, Seat) on refrigerators10 pg
    Covers this model
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Error codes (9)

CodeMeaning
1Failure of freezer sensor2Failure of refrigerator sensor3Failure of defrost sensor4Poor defrostEr dHFailure of defrost modeEr dSFailure of defrost sensor due to cut or short circuit wire.Er FFFailure of BLDC fan motor at freezing compartmentEr FSFailure of freezer sensor due to cut or short circuit wire.Er rSFailure of refrigerator sensor due to cut or short circuit wire.

Service modes (21)

  • Demonstration ModePress and hold the Refrigerator Temp Control KEY or Freezer Temp Control KEY for over 5 seconds at…
  • Demonstration Mode (Best/Dispenser)When the WARMER key of Refrigerator Temp control or Freezer Temp control is at the warmest…
  • Demonstration Mode (Good/Better)When the KEY of Refrigerator Temp control or Freezer Temp control is at the warmest temperature…
  • Freezer Fan RPM Variable CheckWhile freezer fan is in operation, press and hold the WARMER KEY in Refrigerator and Freezer Temp…
  • Icemaker Test ModePress and hold the water supply control KEY for 3 seconds.
  • Icemaker Test Mode (3-step)Press and hold the Cube Size button for 3 seconds while in Icemaking mode.
  • Icemaker Test Mode (5-step)Press and hold the water supply control KEY (Fill Key) for 3 seconds while in Ice Making mode.
  • LED Check ModePress and hold the Refrigerator Temperature Control button and the Freezer Temperature Control…
  • Reset (from TEST MODE)While in TEST MODE 2, press and hold Express Freezing key and COLDER KEY of Freezer Temp at the…
  • Reset (from TEST)While in TEST2, press Express Freezing key and COLDER key of Freezer Temp at the same time for more…
  • Reset from TEST (Best/Dispenser Model)While in TEST2, press and hold Express Freezing key and COLDER key of Freezer Temp at the same time…
  • Reset from TEST (Good/Better Model)While in TEST2, press and hold Express Freezing key and COLDER key of Freezer Temp at the same time…
  • Temperature Mode Change (°F/°C) (Best/Dispenser)Press and hold COLDER key of Freezer and COLDER key of Refrigerator at the same time for over 1…
  • TEST MODE 1 (Forced Cooling)Press and hold Express Freezing key and COLDER KEY of Freezer Temp at the same time for more than 3…
  • TEST MODE 2 (Forced Defrosting)While in TEST MODE 1, press and hold Express Freezing key and COLDER KEY of Freezer Temp at the…
  • TEST1Press Express Freezing key and COLDER key of Freezer Temp at the same time for more than 3 seconds.
  • TEST1 (Best/Dispenser Model)Press and hold Express Freezing key and COLDER key of Freezer Temp at the same time for over 3…
  • TEST1 (Good/Better Model)Press and hold Express Freezing key and COLDER key of Freezer Temp at the same time for over 3…
  • TEST2While in TEST1, press Express Freezing key and COLDER key of Freezer Temp at the same time for more…
  • TEST2 (Best/Dispenser Model)While in TEST1, press and hold Express Freezing key and COLDER key of Freezer Temp at the same time…
  • TEST2 (Good/Better Model)While in TEST1, press and hold Express Freezing key and COLDER key of Freezer Temp at the same time…

Full entry steps, exit procedures, and test sequences are available in Max.

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