Model reference

LG LRBN20520BQ

Name: LG LRBN20520BQ
Brand: LG

Refrigerator

2 documents4 error codes6 service modes

Available documentation

Change of Compressor Mount (Rubber, Seat) on refrigerators10 pg
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Failure of freezer sensor (cut or short

From Service Manual 207017, p.29:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure control board supply voltage at test points. Expected: 12 VDC and 5 VDC.

3.Inspect all connectors on the main control for corrosion or backed-out pins.

Part EBR73304205

Main control board

CodeMeaning

Demonstration ModePress and hold the KEY of refrigerator Temp control or freezer Temp control for over 5 seconds at…
Freezer Fan RPM Variable CheckWhile freezer fan is operating, press and hold the WARMER KEY in Refrigerator and Freezer Temp…
LED Check ModePress and hold the refrigerator temperature control and the freezer temperature control buttons at…
Reset (from TEST2)While in TEST2, press and hold Express Freezing key and COLDER KEY of Freezer Temp at the same time…
TEST1Press and hold Express Freezing key and COLDER KEY of Freezer Temp at the same time for over 3…
TEST2While 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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