er is
Moderate
LG · Refrigerators
Ice Maker Sensor Error
Quick Answer
Error code Er IS on your LG Refrigerators means: Ice Maker Sensor Error. This is usually fixable — see the step-by-step guide below.
Likely Causes
How to Fix It
1
Unplug the refrigerator and remove the ice maker assembly from the freezer
2
Inspect the ice maker sensor for ice encasement and defrost if needed
3
Test the sensor with a multimeter for proper resistance at ambient temperature
4
Check the wiring harness and connector between the ice maker and the main board
5
Replace the ice maker sensor or the entire ice maker assembly if the sensor is not sold separately
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
Ice maker assembly (LG part #AEQ73110212)
Ice maker thermistor
Wire harness connector
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