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.
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!
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Re: LG LRFD25850ST gives ER CO code on door
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.
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Try adjusting the thermostat knob up a bit, it should be near the leds, maybe under a cover. Seveen years is not very old but where your health might be at risk from bacteria maybe you might be justified in looking at a new machine. I refuse to call in repair people any more, once something breaks it seems to become a habit, if electrical items cna be said to have habits.
Maybe a new thermostat /seitch might cure the problem
Did you check the plug its self ? By plugging a lamp in the plug where the refrigerator is pluged into ? If the wall plug is good (could there have been bad weather) and then you plug fridg. back in and no positive results check to see if the inside light bulbs are good and work.
hopefully you looked out back ...rear lower panel and checked little white condenser fan running...it really needs too to keep temp stable across the condenser coils and no overheat condition to the compressor.hopefully you wont need the $300 circuit board like I just bought
You need to replace the electrical control board. It's an easy fix. About $75 for the part. No electrical work necessary. Just unclipping and re-clipping wires into their ports. You do not need a repairman to do this! (I'm a 33 yr. old female, so please forgive my lack of technical terms in the post) I ordered one from AppliancePartsPros.com. It came in two days.
1. Pull out and UNPLUG the fridge.
2. Take out the screws that hold the bottom back panel on
(The electrical contol panel is located inside a white box attached to the lower left corner. )
3. Remove the screws that hold the box in place
5. Remove the bunch of wires out of the clip on the side of the box and pull the box out. Open it by releasing the clips on either side.
6. Disconnect the three sections of wires that plug into the board
7. Remove old board out of the housing
8. Insert new board,
9. Reverse above steps to complete installation.
Note: What triggers the buzzing sound is the door being opened. If you want to stop the sound and prevent the electrical current from going to the fried board until your new one comes, put a piece of tape tightly over the switch that pops out when the door is opened (located inside the unit near the door hinge).