How do I fix error code E IF on my LG LRMVS3006S?

1. undefined: Reset the unit and enter Test Mode 1. 2. undefined: Open the freezer door and check air flow. If windy, go to step 4. 3. undefined: Rotate the icing fan by hand. If sticky, change the fan motor. 4. undefined: Measure fan motor supply voltage at CON3 pins 24-21. Expected: 11.4~12.6V. If absent, replace Main PCB. 5. undefined: Measure fan feedback voltage at CON3 pins 22-21. Expected: not 0V or 5V. If reads 0V or 5V, change the motor. 6. undefined: Measure fan PWM voltage at CON3 pins 23-21. Expected: not 0V or 5V. If reads 0V or 5V, replace Main PCB. 7. undefined: Explain to customer if all checks pass.

LG LRMVS3006SRefrigerator

Error Code E IF

Icing (Ice Compartment) Fan Motor Error

Moderate

Address soon - your appliance may not work properly

Also displayed as: IF E

How to Fix

1
Reset the unit and enter Test Mode 1.
2
Open the freezer door and check air flow. If windy, go to step 4.
3
Rotate the icing fan by hand. If sticky, change the fan motor.
4
Measure fan motor supply voltage at CON3 pins 24-21. Expected: 11.4~12.6V. If absent, replace Main PCB.
5
Measure fan feedback voltage at CON3 pins 22-21. Expected: not 0V or 5V. If reads 0V or 5V, change the motor.
6
Measure fan PWM voltage at CON3 pins 23-21. Expected: not 0V or 5V. If reads 0V or 5V, replace Main PCB.
7
Explain to customer if all checks pass.