Question about LG LRFD22850 Bottom Freezer Refrigerator French Door

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LG LRFD25850ST gives ER CO code on door

Hello I have a LG fridge that at first gave me a 8's across the board and every led light on board was lit. If I unplugged it and plugged it back in, it would reset and act normal. Now I am getting a code on the display that says ER CO. When it displays this everything locks up. Need I say during this whole issue, the fridge keeps cooling like normal. Now when I unplug it and plug it back in, it shows the fridge temp setting and freezer temp setting, but no room temp. Then about 25 seconds later it goes back to the same ER CO on the display. Both boards have been replaced and now I don't know where to go with it. Can anybody steer me into the right direction? Thanks.

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  • marinemom022 Jun 24, 2008

    Model #22850sw panel reads Er FF frig not working. Help!!

  • Anonymous May 08, 2009

    My fridge also has the ER CO error code after a power surge. In this case I am assuming the control board will have to be replaced. This is a good time to put a surge protector on all your electronics

  • ali_raza71
    ali_raza71 Sep 11, 2012

    any solution

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Good call Cooltech! My new LG "open box" deal from Best Buy must have been delivered once before. I hauled it home, plugged it in and Er CO was on the display. The doors must have been removed to get through tight spaces, exposing the bundle of wires and connectors under the left hinge cover. One wire had been repaired with a crimp lug, wire cut too short, and the crimp was no good. I soldered the connection and added 2" of wire so it wouldn't be stressed. Works!

Posted on Mar 17, 2010

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There is a communications error between the control board and the display board.  Check the connector located on the top hinge cover.  Remove the hinge cover and check to make sure the connector is tightly secured.

Posted on Apr 29, 2008

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Posted on Jan 02, 2017

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