How do I fix error code E CF on a LG refrigerators?

1. undefined: Reset the unit and enter Test Mode 1. 2. undefined: Check if condenser fan is rotating. 3. undefined: If fan is not rotating, rotate blade by hand. If sticky, replace the condenser fan motor. 4. undefined: Measure fan power supply voltage at CON3 pins 12~9. Expected 11.4~12.6V. 5. undefined: If supply voltage is not 11.4~12.6V, replace the Main PCB. 6. undefined: Measure fan feedback voltage at CON3 pins 10~9. If fixed at 0V or 5V, replace the fan motor. 7. undefined: Measure fan PWM voltage at CON3 pins 11~9. If fixed at 0V or 5V, replace the Main PCB. 8. undefined: If all checks are normal, explain to customer.

LG Refrigerators2020–present

Error Code E CF

Condenser Fan (Machine Room BLDC) Error — feedback signal absent for more than 65 seconds

Moderate

Address soon - your appliance may not work properly

Also displayed as: E CF

How to Fix

1
Reset the unit and enter Test Mode 1.
2
Check if condenser fan is rotating.
3
If fan is not rotating, rotate blade by hand. If sticky, replace the condenser fan motor.
4
Measure fan power supply voltage at CON3 pins 12~9. Expected 11.4~12.6V.
5
If supply voltage is not 11.4~12.6V, replace the Main PCB.
6
Measure fan feedback voltage at CON3 pins 10~9. If fixed at 0V or 5V, replace the fan motor.
7
Measure fan PWM voltage at CON3 pins 11~9. If fixed at 0V or 5V, replace the Main PCB.
8
If all checks are normal, explain to customer.

This Error Applies To

LG LRMVS3006D Series Refrigerators (2020) (2020–present)

Service manual exact match: LRMVC2306SService manual exact match: LRMVC2306DService manual exact match: LRMDS3006DService manual exact match: LRMDS3006SService manual exact match: LRMVS3006DService manual exact match: LRMVS3006SService manual exact match: LRMDC2306SService manual exact match: LRMDC2306D

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