Question about Refrigerators
LG - LFX31945ST/02 - Error codes appear on door control panel. Refrigerator button - 'Er' Freezer button - 'Fi'
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Posted on Jan 02, 2017
Hi. You have an Error Defrost Heater. Its taking too long for the heater sensor to open the circuit during defrost. You normally replace the heater, heater sensor and circuit board(motherboard) located on the back of the refrigerator in this situation. Check your mollex plugs and make sure they are connected tightly at the evaporator coil area. Sometimes they come loose. I reccommend replacing the heater and heater sensor located top right on the evaporator coil. This should take care of the problem. Need parts see me on ebay as user, themackshack. Good luck, Mack
Posted on Jan 06, 2008
GO TO SEARS .COM ,CLICK ON PARTS,PUT YOUR MODEL NUMBER IN AND YOU WILL FIND WHERE THE PART IS,LET ME KNOW-MIKE
Posted on Jul 07, 2008
SOURCE: LG refrigerator error code
Had the same problem + a weird noise, which turned out to be ice build up on the blower fan. Unplugged overnight and then opened the lower back panel. There is a small fan that blows over some small coils at the bottom of the box. There is also a drip pan that should be "full" of water. I sponged out the drip pan, put the panel back on and then plugged back in. Works great.
Posted on Nov 04, 2008
SOURCE: I have an LG LRSC26923TT
ER FF is a freezer fan error. Basically the mainboard is not receiving a feedback signal from the freezer fan motor within 65 seconds. When this happens the error code will come up and then none of the buttons will work.
You can clear out the error code by unplugging and plugging the machine back in. The error code will come back if the problem persists. Check around the freezer fan motor fan blades to see if ice buildup is interfering with the operation. Clearing out this ice may fix the issue.
If the problem comes back, then the fan motor may be getting ready to go out or the unit may not be defrosting properly.
Hope this helps, please rate my solution.
Posted on Jan 12, 2009
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