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

1. undefined: Reset the unit, then enter Test Mode 1. Open the freezer door and check for airflow. If airflow is present, go to step 5. 2. undefined: If no airflow, proceed to step 4. 3. undefined: Attempt to rotate the ice fan blade by hand. If it feels sticky or binding, replace the fan motor. 4. undefined: Measure ice fan motor supply voltage at CON4 pins 12–11 in Test Mode 1. Expected: 11.4–12.6 V. If out of range, replace the Main PCB. 5. undefined: Measure ice fan feedback voltage at CON4 pins 10–11 in Test Mode 1. Expected: not 0 V or 5 V. If 0 or 5 V, replace the fan motor. 6. undefined: Measure ice fan PWM voltage at CON4 pins 9–11 in Test Mode 1. Expected: not 0 V or 5 V. If 0 or 5 V, replace the Main PCB. 7. undefined: If all voltages are correct, explain normal operation to customer.

LG Refrigerators

Error Code E IF

Icing Fan Motor Error

Moderate

Address soon - your appliance may not work properly

How to Fix

1
Reset the unit, then enter Test Mode 1. Open the freezer door and check for airflow. If airflow is present, go to step 5.
2
If no airflow, proceed to step 4.
3
Attempt to rotate the ice fan blade by hand. If it feels sticky or binding, replace the fan motor.
4
Measure ice fan motor supply voltage at CON4 pins 12–11 in Test Mode 1. Expected: 11.4–12.6 V. If out of range, replace the Main PCB.
5
Measure ice fan feedback voltage at CON4 pins 10–11 in Test Mode 1. Expected: not 0 V or 5 V. If 0 or 5 V, replace the fan motor.
6
Measure ice fan PWM voltage at CON4 pins 9–11 in Test Mode 1. Expected: not 0 V or 5 V. If 0 or 5 V, replace the Main PCB.
7
If all voltages are correct, explain normal operation to customer.