Model reference

LG GM-H501ULH

Name: LG GM-H501ULH
Brand: LG

Refrigerator

1 document4 error codes3 service modes

Available documentation

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M+ Max·LG Refrigerator

Er 1 on my LG GM-H501ULH

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Refrigerator sensor failure - short or

From Service Manual 577079, p.51:

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

LED Test Mode["Press and hold the refrigerator temperature button and the super cool button together for 1…
Test Mode 1["Remove the PCB cover.","Short-circuit TEST1 and TEST2 on the main PCB once.","Confirm all display…
Test Mode 2["While in Test Mode 1, short-circuit TEST1 and TEST2 on the main PCB once more.","Display should…

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

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