Er rF Serious Moderate DIY

LG Refrigerator Er rF — Refrigerator (fresh-food) fan motor abnormality

LG Refrigerator · Error code Er rF

What Er rF Means

The fresh-food compartment fan motor isn't returning the expected feedback signal. Almost always caused by frost icing the fan or a failed BLDC fan motor.

Symptoms

  • Er rF on display
  • Fridge side warming while freezer stays cold
  • No airflow from vents in fresh-food side
  • Possible buzz/click from rear of fridge compartment
  • Fans audibly stop after a few seconds

Common Causes

1
Frost locking the fridge fan

Door left ajar or worn gasket lets warm humid air ice up the evaporator area.

2
Failed fresh-food fan motor

Bearings drag or Hall-effect feedback fails.

3
Damper or air-duct ice block

Damper iced open/closed disrupts fan loading.

4
Wiring harness pinch at hinge

Common where the harness routes through the cabinet hinge area.

How to Fix It

  1. Unplug the unit; remove all food and the ice bin.
  2. Leave both doors wide open for at least 8 hours to fully defrost; place towels to catch water.
  3. Dry the interior thoroughly, plug back in and wait 24–48 hours for normal temperatures.
  4. If Er rF returns, remove the fresh-food rear panel and check the fan for free rotation.
  5. Replace the fresh-food fan motor if it drags or won't spin to commanded speed.
  6. Inspect door gasket and confirm doors close fully without obstruction (shelves, bins).

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement LG fresh-food fan motor View on Amazon→ Common replacement Door gasket View on Amazon→

More LG Refrigerator Codes

22 22 — Compressor relay / inverter control fault 33 33 — Compressor / defrost test fault 67 67 — Door open / not fully closed 88 88 — Power-on display test (not a fault) Er CF Er CF — Condenser Fan Fault Er CO Er CO — Compressor / Communication Fault

All LG codes → All refrigerator codes →

Verified against manufacturer documentation: lg.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.