Er IF
LG
Ice Maker Fan Motor Failure
Error code “Er IF” and ice production is poor or non-existent; sometimes a clicking noise from the ice compartment.
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Safety Warning
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.
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Possible Causes
Seized or failed ice fan motor, Ice obstruction in fan blades, Disconnected or damaged fan wiring, Defective main control board fan driver
How to Fix / Troubleshooting
Safety: Disconnect power before removing ice room covers or handling wiring.
- Inspect for frost: Remove the ice bin and check for heavy frost around the ice fan vents. Manually clear loose frost; use a hair dryer on low to melt stubborn ice.
- Check fan movement: With the cover removed (power off), gently spin the fan blades by hand. If stiff or jammed, clear obstructions or replace the fan.
- Test fan motor: Disconnect the fan and measure resistance across the motor terminals. An open circuit indicates a failed motor.
- Verify voltage (advanced): With power restored and extreme caution, check for DC voltage at the fan connector when the fan should be running. If no voltage and wiring is intact, the main PCB may be faulty.
- Replace fan assembly: Install a new LG-compatible ice fan motor, reassemble the ice room, and restore power.
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Repair Difficulty
Hard
4/5
Required Part
Ice Maker Fan Motor
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