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Easy way to test the thermistor (sensor) in LG (and most other brand) refrigerators

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Samurai Appliance Repair Man

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If your heater showed continuity and you did not see any change in sensor, Change sensor. They are quite inexpensive. Good way to test sensor is place in a cup of ice water (mostly ice as you want 32 degrees), leave it in water for 5 minutes...you should get 16k ohms +-5%.

Source: LG refrigerator error code ER-DH


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