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

1. undefined: Reset the unit and enter Test Mode 1 (push test button 1 time). 2. undefined: Open the freezer door and check air flow. If airflow is present (windy), go to step 3. 3. undefined: Rotate the refrigerator fan by hand. If it feels sticky or physically obstructed, change the fan motor. 4. undefined: Measure fan motor supply voltage at CON3 pins 28-25. Expected: 11.4~12.6V. If voltage is absent, replace Main PCB. 5. undefined: Measure fan feedback voltage at CON3 pins 26-25. Expected: not 0V and not 5V. If reads 0V or 5V, change the fan motor. 6. undefined: Measure fan PWM voltage at CON3 pins 27-25. Expected: not 0V and not 5V. If reads 0V or 5V, replace Main PCB. 7. undefined: Explain to customer if all checks pass.

LG Refrigerators

Error Code E rF

Refrigerator (Fresh Food) Fan Motor Error

Moderate

Address soon - your appliance may not work properly

Also displayed as: rF E

How to Fix

1
Reset the unit and enter Test Mode 1 (push test button 1 time).
2
Open the freezer door and check air flow. If airflow is present (windy), go to step 3.
3
Rotate the refrigerator fan by hand. If it feels sticky or physically obstructed, change the fan motor.
4
Measure fan motor supply voltage at CON3 pins 28-25. Expected: 11.4~12.6V. If voltage is absent, replace Main PCB.
5
Measure fan feedback voltage at CON3 pins 26-25. Expected: not 0V and not 5V. If reads 0V or 5V, change the fan motor.
6
Measure fan PWM voltage at CON3 pins 27-25. Expected: not 0V and not 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