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

1. undefined: Reset unit and enter Test Mode 1 (push test button once). Open freezer door and check air flow from duct — if windy, go to step 4. 2. undefined: If no air flow, check fan motor by rotating blade by hand — if sticky/seized, replace freezer fan motor. 3. undefined: Check CON4 20th-to-19th-pin voltage: should be 11.4–12.6 V. If not in range, replace Main PCB. 4. undefined: Check CON4 18th-to-19th-pin feedback voltage: should NOT be 0 V or 5 V (must be varying signal). If stuck at 0 or 5 V, replace fan motor. 5. undefined: Check CON4 17th-to-19th-pin PWM voltage: should NOT be 0 V or 5 V. If stuck at 0 or 5 V, replace Main PCB. 6. undefined: If all voltages are correct and air flow is present, explain to customer.

LG Refrigerators

Error Code E FF

Defect of BLDC fan motor for freezer

Moderate

Address soon - your appliance may not work properly

How to Fix

1
Reset unit and enter Test Mode 1 (push test button once). Open freezer door and check air flow from duct — if windy, go to step 4.
2
If no air flow, check fan motor by rotating blade by hand — if sticky/seized, replace freezer fan motor.
3
Check CON4 20th-to-19th-pin voltage: should be 11.4–12.6 V. If not in range, replace Main PCB.
4
Check CON4 18th-to-19th-pin feedback voltage: should NOT be 0 V or 5 V (must be varying signal). If stuck at 0 or 5 V, replace fan motor.
5
Check CON4 17th-to-19th-pin PWM voltage: should NOT be 0 V or 5 V. If stuck at 0 or 5 V, replace Main PCB.
6
If all voltages are correct and air flow is present, explain to customer.

This Error Applies To

LG LRYKC2606 Series Refrigerators

Service manual exact match: LRYKC2606VService manual exact match: LRYKC2606DService manual exact match: LRYKC2606SService manual exact match: LRYKC2606B