er hs
Moderate
LG · Refrigerators
Humidity Sensor Error
Quick Answer
Error code Er HS on your LG Refrigerators means: Humidity Sensor Error. This is usually fixable — see the step-by-step guide below.
Likely Causes
  1. Humidity sensor in the crisper or fresh food compartment has failed
  2. Sensor wiring is damaged or has a poor connection
  3. Condensation has caused corrosion on the sensor contacts
  4. Control board is not processing the humidity sensor signal correctly
How to Fix It
1
Unplug the refrigerator and locate the humidity sensor, usually in the crisper drawer area or fresh food compartment
2
Inspect the sensor for visible corrosion, moisture damage, or loose connections
3
Test the sensor with a multimeter for proper readings as specified in the service manual
4
Check the wiring from the sensor to the main control board
5
Replace the humidity sensor if it tests out of specification
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
Humidity sensor (model-specific LG part)
Wire harness connector
Related Error Codes
Video Guides
Loading video guides…
Search more on YouTube →