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

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 3. 3. undefined: Rotate the freezer fan by hand. If sticky, change the fan motor. 4. undefined: Measure fan motor supply voltage at CON3 pins 16-13. Expected: 11.4~12.6V. If absent, replace Main PCB. 5. undefined: Measure fan feedback voltage at CON3 pins 14-13. Expected: not 0V or 5V. If reads 0V or 5V, change the motor. 6. undefined: Measure fan PWM voltage at CON3 pins 15-13. Expected: not 0V or 5V. If reads 0V or 5V, replace Main PCB. 7. undefined: Explain to customer if all checks pass.

LG Refrigerators

Error Code E FF

Freezer Fan Motor Error

Moderate

Address soon - your appliance may not work properly

Also displayed as: FF 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 3.
3
Rotate the freezer fan by hand. If sticky, change the fan motor.
4
Measure fan motor supply voltage at CON3 pins 16-13. Expected: 11.4~12.6V. If absent, replace Main PCB.
5
Measure fan feedback voltage at CON3 pins 14-13. Expected: not 0V or 5V. If reads 0V or 5V, change the motor.
6
Measure fan PWM voltage at CON3 pins 15-13. Expected: not 0V or 5V. If reads 0V or 5V, replace Main PCB.
7
Explain to customer if all checks pass.

This Error Applies To

LG LRMDS3006D Series Refrigerators

Service manual exact match: LRMDS3006DService manual exact match: LRMDS3006SService manual exact match: LRMVS3006DService manual exact match: LRMVS3006S