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

1. undefined: 1. Reset unit and enter TEST MODE 1 (push button 1 time). 2. undefined: 2. Measure icing fan motor supply voltage at CON3 13th Pin to 9th Pin — should be 12V. If not 12V, replace Main PCB. 3. undefined: 3. Open freezer door and check airflow. 4. undefined: 4. Check fan control signal at CON3 10th Pin to 9th Pin — should be 0V to 5V. If out of range, replace Main PCB. 5. undefined: 5. Check fan feedback signal at CON3 11th Pin to 9th Pin — should be 0V to 5V. If out of range, replace the icing fan motor. 6. undefined: 6. Rotate fan by hand; if sticky, replace motor. 7. undefined: 7. If all checks pass, explain to customer.

LG Refrigerators

Error Code IF E

Icing Fan Error

Moderate

Address soon - your appliance may not work properly

How to Fix

1
1. Reset unit and enter TEST MODE 1 (push button 1 time).
2
2. Measure icing fan motor supply voltage at CON3 13th Pin to 9th Pin — should be 12V. If not 12V, replace Main PCB.
3
3. Open freezer door and check airflow.
4
4. Check fan control signal at CON3 10th Pin to 9th Pin — should be 0V to 5V. If out of range, replace Main PCB.
5
5. Check fan feedback signal at CON3 11th Pin to 9th Pin — should be 0V to 5V. If out of range, replace the icing fan motor.
6
6. Rotate fan by hand; if sticky, replace motor.
7
7. If all checks pass, explain to customer.