Display shows Er HS; humidity sensor error on models with humidity control, may affect frost patterns.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Failed humidity sensor, Loose or corroded connector, Damaged sensor wiring

Safety: Unplug the appliance before accessing control areas.

Er HS indicates the humidity sensor is not reading correctly.

Locate sensor: Often near the control panel or in the fresh food section.
Inspect wiring: Check for damage and reseat connectors.
Replace sensor: If available as a separate part, replace with an LG-compatible humidity sensor.

If Er HS persists, the main PCB may be at fault and should be serviced by a professional.

Medium 3/5

Humidity Sensor

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