LG lfx31945 REFIGERATOR...FREEZER NOT COOLING. ER FF CODE

Unplug the LG fridge and wait 20 minutes - Plug back into power - Many times the code will clear or reset. If not keep reading below... -The majority of the time it is the freezer fan causing the Er FF error code. The FF error code indicates that the freezer fan motor is defective.
https://removeandreplace.com/2017/08/27/lg-refrigerator-error-code-er-ff-how-to-clear/

https://www.lg.com/us/support/help-library/error-codes-refrigerator-CT10000021-1441392048805

Unplug the LG fridge and wait 20 minutes - Plug back into power - Many times the code will clear or reset. If not keep reading below... -The majority of the time it is the freezer fan causing the Er FF error code. The FF error code indicates that the freezer fan motor is defective.

https://removeandreplace.com/2017/08/27/lg-refrigerator-error-code-er-ff-how-to-clear/

Error Code "Er FF" indicates a problem with the unit's freezer fan.

The freezer fan controls the temperature in the freezer. The source of this error is most likely ice buildup. As with the Er IF error, allowing the unit to thaw should resolve the issue.

This can be caused by frost accumulationon or around the freezer fan. Unplug the unit for 3-4 hours to allowthis to melt off. If error code persists, call Customer Service.

Hope this helps.

Error Code Er FF
This code is not to be confused with the O FF or demo mode error message. The "Er FF" error code indicates a problem with the unit's freezer fan. The freezer fan controls the temperature in the freezer. The source of this error is most likely ice buildup. As with the Er IF error, allowing the unit to thaw should resolve the issue. Contact customer service if the error code continues to be displayed after having thawed the unit.

Hope helps.

ER FF is freezer fan motor failure code. this directs air into the fridge compartment from the freezer room. dead fan=warm fridge.

Er FF - Freezer Fan Error - This can be caused by frost accumulation on or around the freezer fan. Unplug the unit for 3-4 hours to allow this to melt off. If error code persists, call Customer Service.

You can order factory direct from andrewselectronics.com ...I believe you need EBR58010501 @ $298.04.

Sounds like the FF(Freezer Fan) is wearing out or is worn out. This assembly supplies the circulation for the freezer as well as the refrigerator. When is slows down or stops the circulation of cold air to the refrigerator is the first thing that is effected. The minimum cost to replace this assembly is around $300.00

The ER-FF problem that you have is: ERROR -FAN FREEZER so it means that you have a problem with maybe the fan motor or if it's a bottom mount freezer maybe ice built up on the fan motor so it's blockin the fan motor.
Hope i helped u a little bit ! :)

Francois Pelosse

FF is your freezer fan. You may need to defrost the unit.