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

1. undefined: Reset the unit and enter Test Mode 1 (press test button 1 time). 2. undefined: Check condenser fan rotation. If fan rotates normally, proceed to step 4. 3. undefined: If fan does not rotate: rotate fan by hand. If it feels sticky/stiff, replace fan motor. 4. undefined: Check fan motor power voltage at CON7 4th pin to 6th pin. Should be 5V in Test Mode 1. If NOT 5V, replace Main PCB. 5. undefined: Check fan control signal voltage at CON7 8th pin to 6th pin. Should be between 0V and 5V. If not in range, replace Main PCB. 6. undefined: Check fan feedback voltage at CON7 2nd pin to 6th pin. Should be between 0V and 5V. If not in range, replace fan motor. 7. undefined: If all voltages are correct and fan rotates normally, explain normal operation to customer.

LG Refrigerators2017–present

Error Code CF E

Q: What does error code CF E mean on a LG refrigerators?

Condenser Fan Error — Condenser BLDC Fan Motor Abnormality No feedback signal from BLDC condenser fan for 65+ seconds during operation; Faulty BLDC motor connection; Faulty DRIVE IC or transistor; Fan blade physically obstructed

Condenser Fan Error — Condenser BLDC Fan Motor Abnormality

Moderate

Address soon - your appliance may not work properly

Also displayed as: CF E

What This Means

No feedback signal from BLDC condenser fan for 65+ seconds during operation; Faulty BLDC motor connection; Faulty DRIVE IC or transistor; Fan blade physically obstructed

How to Fix

1
Reset the unit and enter Test Mode 1 (press test button 1 time).
2
Check condenser fan rotation. If fan rotates normally, proceed to step 4.
3
If fan does not rotate: rotate fan by hand. If it feels sticky/stiff, replace fan motor.
4
Check fan motor power voltage at CON7 4th pin to 6th pin. Should be 5V in Test Mode 1. If NOT 5V, replace Main PCB.
5
Check fan control signal voltage at CON7 8th pin to 6th pin. Should be between 0V and 5V. If not in range, replace Main PCB.
6
Check fan feedback voltage at CON7 2nd pin to 6th pin. Should be between 0V and 5V. If not in range, replace fan motor.
7
If all voltages are correct and fan rotates normally, explain normal operation to customer.

This Error Applies To

LG LMXS28626S Series Refrigerators (2017) (2017–present)

Service manual exact match: LMXS28626SService manual exact match: LMXS28626DService manual exact match: LMXS28626WService manual exact match: LMXS28626BService manual exact match: LFXS28566SService manual exact match: LFXS28566DService manual exact match: LFXS28566WService manual exact match: LFXS28566B+2 more