I have a French door LG refrigerator that has an error code of er FF. The lights are not working and the freezer is not cold and the refrigerator is not cold. It was moved recently and also washed out with a water hose. I have replaced the freezer defrost sensor and the freezer temperature thermostat. Could somebody give me a little guidance?

SOURCE: Amana French Door Refrigerator "on" but no cooling; freezer still works

There are 2 possible problems. One is the defrost cycle is not working properly this is usually indicated by a large amount of frost on the back freezer panel. If so, the circuit will have to be repaired and the evaperator thawed to remove the ice build up. The other is the fresh food damper is not working properly this is behind the "lump" in the back of the fridge compartment above the top shelf, remove the louver panel to see if it is open or closed. closed will be warm open should be cold. The water dispenser reservoir is probably frozen due to poor air circulation.

SOURCE: Error code ER FF

The error indicates the freezer fan is not functioning properly. The fan supplies cold air to the refrigerator that is why it seems warmer.
The fan may be frozen, try unplugging it for a few hours to let it thaw. Also check to see if something may have gotten into the vent holes in the freezer that could be blocking the fan from turning.

SOURCE: LG Refrigerator Defrost Error ER DH

it the def t-stat, def. thermistor, or def. fuse whatever lg decides to call it this week that is causing your issue

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SOURCE: error code er ff on my kenmore elite bottomfreezer model 795.7756

I fixed it. ER FF is "Error Freezer Fan." Once the evaporator fan stops turning for more than 115 seconds, this error message will be displayed. This fridge is poorly designed and is not designed with air gaps or enough air gaps to allow air behind the back panel of the freezer where the fans and condenser coils are located thus causing ice to build up around the fan and it's ability to spin. The evaporator fan helps cirulate the cold air generated by the condenser coils.

The fix is (1) defrost your refrigerator which means you'll loose all your food if you don't have another unit to keep the food in until it's done defrosting or (2) to dismantle the entire freezer by removing all the trays and railing so that you can pull the back panel far enough to get the front end of a hair dryer over the top lip of the panel to melt the ice. My unit had ice build at the top right and left corners behind the panel. I opted for the latter and didn't have to throw any food away.

This is going to be an annual chore if I want to keep this refrigerator. We should all ban together and call for a recall.

SOURCE: LG refrigerator lrsc26944tt error code ER FF

I'm no major appliance repairman. However, after reading several posts, I investigated the issue further since I received an ER FF on the front panel. I have a LFX25960SW refrigerator. I pulled the top and bottom baskets out, and was able to take the back panel out from inside. There was a solid block of ice built up around both fans and wires. I took a blow dryer and gradually melted the ice around the fans and wires. Then, as I was able, I pulled the remaining ice chunks off of the wires. I put the thing back together and it cleared the message. My wife says no more LG appliances for us. :)

DAS