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

1. undefined: Reset the unit and enter Test Mode 1 (press test button 1 time). 2. undefined: Open the freezer door and check for air flow from the freezer fan. If there is airflow, proceed to step 4. 3. undefined: If no airflow: rotate fan by hand. If it feels sticky/stiff, replace the fan motor. 4. undefined: Check fan motor power voltage at CON7 12th pin to 14th pin. Should be 12V in Test Mode 1. If NOT 12V, replace Main PCB. 5. undefined: Check fan control signal voltage at CON7 16th pin to 14th pin. Should be between 0V and 5V. If not in range, replace Main PCB. 6. undefined: Check fan feedback voltage at CON7 10th pin to 14th pin. Should be between 0V and 5V. If not in range, replace fan motor. 7. undefined: If all voltages are correct and airflow is normal, explain normal operation to customer.

LG Refrigerators2017–present

Error Code FF E

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

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

Freezer Fan Error — BLDC Fan Motor Abnormality

Moderate

Address soon - your appliance may not work properly

Also displayed as: FF E

What This Means

No feedback signal from BLDC fan motor 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
Open the freezer door and check for air flow from the freezer fan. If there is airflow, proceed to step 4.
3
If no airflow: rotate fan by hand. If it feels sticky/stiff, replace the fan motor.
4
Check fan motor power voltage at CON7 12th pin to 14th pin. Should be 12V in Test Mode 1. If NOT 12V, replace Main PCB.
5
Check fan control signal voltage at CON7 16th pin to 14th pin. Should be between 0V and 5V. If not in range, replace Main PCB.
6
Check fan feedback voltage at CON7 10th pin to 14th pin. Should be between 0V and 5V. If not in range, replace fan motor.
7
If all voltages are correct and airflow is normal, 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