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

1. undefined: Step 1: Reset the unit and enter Test Mode 1 (press test button 1 time). 2. undefined: Step 2: Open the freezer door and check air flow at the fan outlet. If airflow is present (windy), proceed to Step 4. 3. undefined: Step 3: If no airflow, manually rotate the fan blade by hand. If it feels sticky or binding, replace the fan motor. 4. undefined: Step 4: Measure voltage at CON7 12th pin to 14th pin in Test Mode 1. If voltage is not 12V, replace Main PCB. 5. undefined: Step 5: If 12V is confirmed, measure PWM control signal at CON7 16th pin to 14th pin. If voltage is not between 0V and 5V, replace Main PCB. 6. undefined: Step 6: Measure fan feedback voltage at CON7 10th pin to 14th pin. If voltage is not between 0V and 5V, replace the fan motor. 7. undefined: Step 7: If all voltages are correct and fan still does not run, replace the fan motor.

LG Refrigerators

Error Code E FF

Freezer Fan (BLDC) Error — abnormality of BLDC fan motor for freezer; motor does not respond after 3 retry attempts (each attempt: 15s on, 10s off)

Moderate

Address soon - your appliance may not work properly

Also displayed as: E FF

How to Fix

1
Step 1: Reset the unit and enter Test Mode 1 (press test button 1 time).
2
Step 2: Open the freezer door and check air flow at the fan outlet. If airflow is present (windy), proceed to Step 4.
3
Step 3: If no airflow, manually rotate the fan blade by hand. If it feels sticky or binding, replace the fan motor.
4
Step 4: Measure voltage at CON7 12th pin to 14th pin in Test Mode 1. If voltage is not 12V, replace Main PCB.
5
Step 5: If 12V is confirmed, measure PWM control signal at CON7 16th pin to 14th pin. If voltage is not between 0V and 5V, replace Main PCB.
6
Step 6: Measure fan feedback voltage at CON7 10th pin to 14th pin. If voltage is not between 0V and 5V, replace the fan motor.
7
Step 7: If all voltages are correct and fan still does not run, replace the fan motor.

This Error Applies To

LG LRFWS2906 Series Refrigerators

Service manual exact match: LRFWS2906SService manual exact match: LRFWS2906VService manual exact match: LRFWS2906D

Related Error Codes

E Rt

Room Temperature Sensor Error — short or disconnection of room temperature sensor

F dS

Defrost Sensor Error — short or disconnection of defrost sensor

E IS

Icing Sensor Error — short or disconnection of icing sensor (ice maker sensor). Note: E IS displayed without user input indicates icing sensor fault; E IS generated by user action (pressing test switch within 1 week of ice twisting) indicates ice maker mechanical issue.

F dH

Defrost Heater Error — defrost temperature does not rise above 47°F (8°C) within expected time; caused by door gasket failure, defrost heater open, blown Fuse-M, or poor PCB relay

E CF

Condenser Fan (BLDC) Error — abnormality of BLDC fan motor for mechanical/condenser room

E CO

Communication Error — loss of communication between Main PCB MICOM and Display PCB MICOM; also between Transmitter and Receiver

E CL

Low Side Cycle Leakage — detected by low amplitude cycle variation; caused by low-side refrigerant leak, bad compressor, or extended door-open condition

E CH

High Side Cycle Leakage — detected by high amplitude cycle variation; caused by high-side refrigerant leak, restriction in system, bad compressor, or bad valve

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