Model reference

LG GR-B227STS

Name: LG GR-B227STS
Brand: LG

Refrigerator

1 document3 error codes6 service modes

Available documentation

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Er on my LG GR-B227STS

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Ambient temperature sensor failure

From Service Manual 821238, p.50:

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

2.Disconnect the sensor and measure resistance. Expected: 10 kΩ to 12 kΩ at 77°F (25°C).

3.Check the sensor harness for opens. A reading outside 5 kΩ to 50 kΩ indicates a failed sensor.

Part 6322FR2046G

Temperature thermistor

CodeMeaning

Demo Mode (Exhibition Mode)["Press and hold the REFRIGERATOR and EXPRESS FRZ
Display Power Saving Mode["Press FREEZER and EXPRESS FRZ
Icemaker Test Mode["Press and hold the Water Amount Selection Button on the icemaker for 3 seconds.","The icemaker…
LCD Check Function["Simultaneously press the Express Freezer (super freezer) button and the Freezing Temperature…
Test Mode 1 (Forced Cooling / Strong Cold Mode)["Locate the test button on the main PCB.","Press the test button once.","A buzzer will sound…
Test Mode 2 (Forced Defrost Mode)["Enter Test Mode 1 first by pressing the test button once on the main PCB.","Press the test button…

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

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