The freezer fan is a known problem - I just had mine replaced. I was told that there is a newer motor part that has a better sealed bearing. I paid approx $80 part + labor.
Re: the ER FF - that is directly related to the freezer fan. I also had the ice maker circuit board replaced as part of the LG recall and they also fixed things (w/o me asking) like seals, door latches, light relay switch (reports of fires) and it seems like it's working. good luck.
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ER FF is a Error Message that your Freezer Fan is not working properly, W10128551 Evaporator Fan Motor The problem could be your=> 2169142 Fan Bladehas become damaged either by ice or loose fan
motor mounts. Someone will need to unplug and remove the rear panel of freezer
to observe just what has taken place, Thanks Sea Breeze
Error ff (er ff) means defective fan detected. Before calling support or before replacing the fan try performing a complete defrost by leaving power disconnected for one day (remove food from inside the unit first). That will fix the problem if the fan was temporarily malfunctioning because of ice formation. If that does not work the fan must be tested before replacement.
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.
for using FixYa. Error ff is freezer fan fault. This usually happens when
either the rear board has gone bad or the freezer fan itself is bad and needs
to be replaced. To check what is causing the error you can start with checking
the fan which is located behind the back wall inside the freezer. Also check
the rear board as it might not be putting the fridge into defrost long enough
and is causing the ice to build up in the freezer and thus stopping the freezer
fan from turning and so causing ff error. Leave the fridge unplugged for 24hrs
which will melt all the ice then plug it back if still the issue is not
resolved and you hear the fan running then it is the rear board that needs to
be replaced. Please do rate the solution if the issue is resolved or else
revert for further assistance. Thanks Rylee
This is an error code that pertains to the evaporator motor but could also be the main board. If the evaporator motor is running, the main board will probably need to be replaced. It could be a wiring problem but it's not very likely.
If the motor is not running, some voltage checks will need to be made, at the motor and board, to determine which component has failed. These checks require a meter and can be difficult to make, even for a technician.
Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.
FF usually means the freezer fan is not working. If the fridge is cooling poorly, check to see if the fan inside is running while the compressor is running. If not, and if there's no ice jamming it, then you need a new evaporator fan. If the fridge is cooling normally and the only symptom is the error code, then it could be a problem in the electronic control.
ER FF - found in another post = Error Freezer Fan. Removed freezer back panel (inside freezer), defrosted ice build up around fan. Error message gone for now. Easy fix at midnight - 20 minutes. Will be looking into ice-up cause.