Model reference

LG LRDC22743ST/00

Name: LG LRDC22743ST/00
Brand: LG

Refrigerator

2 documents5 error codes9 service modes

Available documentation

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Er dH on my LG LRDC22743ST/00

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Failure of defrost mode — defrost

From Service Manual 316584, p.36:

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 ModeWhen the WARMER KEY of refrigerator Temp control or of freezer Temp control is at the warmest…
Freezer Fan RPM Variable CheckWhile freezer fan is in operation, press the WARMER key in Refrigerator and Freezer Temp Control…
Ice Maker Fill Test ModePress and hold the Fill Key for 3 seconds.
Icemaker Test ModePress and hold the water supply control KEY for 3 seconds.
LED Check ModePress and hold the WARMER button in refrigerator temperature control and the WARMER button in…
Reset (from TEST)While in TEST2, press Express Freezing key and COLDER key of Freezer Temp at the same time for more…
Temperature Mode Change (°F/°C)Press and hold COLDER key of Freezer and COLDER key of Refrigerator simultaneously for over 1…
TEST1Press Express Freezing key and COLDER key of Freezer Temp at the same time for more than 3 seconds.
TEST2While in TEST1, press Express Freezing key and COLDER key of Freezer Temp at the same time for more…

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

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