Er FF
LG Freezer Evaporator Fan Error

Display shows Er FF; freezer fan error, freezer temperature rises, frost pattern abnormal.

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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

Failed freezer fan motor, Ice obstruction, Loose or damaged fan wiring, Faulty PCB fan driver

How to Fix / Troubleshooting

Safety: Unplug the freezer before removing interior panels.

Er FF indicates the freezer fan is not operating correctly.

  • Access fan: Remove shelves and rear panel to expose the freezer fan.
  • Clear ice: Defrost any ice blocking the fan.
  • Spin and test: Replace the fan motor if it is seized or noisy, or if it does not run with proper voltage.
  • Inspect wiring: Check harness and connectors.

If Er FF persists, the main PCB may be defective and should be checked by a technician.

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Repair Difficulty

Hard 4/5

Required Part

Freezer Evaporator Fan Motor
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