er fs
Moderate
LG · Refrigerators
Freezer Sensor Error
Quick Answer
Error code Er FS on your LG Refrigerators means: Freezer Sensor Error. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Unplug the refrigerator and locate the freezer thermistor, usually mounted on the evaporator or the interior wall of the freezer
2
Disconnect the sensor and test it with a multimeter; at 0 degrees Fahrenheit it should read approximately 32,000 to 35,000 ohms
3
Check the wiring harness between the sensor and the main control board
4
Inspect the connector pins for corrosion or damage
5
Replace the freezer thermistor if it reads significantly out of range
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Freezer thermistor sensor (LG part #6323JA2002K)
Wire harness connector
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