Is the door equipped with glass defrost? If so , the board is looking for the heater strip around edge of glass. This can be in the chain of the interlock. This precheck, done as soon as pwr is connected, is to protect the compressor and the board. If not,,, check light switch for open door. Look for disconnected wire , plug. All my best , Russ.
SOURCE: Refrigerator will not cool
Do you mean the display won't go below 70 or that the actual temps won't go below 70? First try to unplug the refer for 20-30 seconds then plug it back in. Hopefully that will reset the levels to factory settings (usually around 0 for freezer and 36 for refer).
SOURCE: Sub Zero refrigerator
Its trying to tell you to call someone to clean the condensor.....nice feature! Sub-zero refrigs are very sensitive and will run too much and even possibly start icing in Refrig compartment.
SOURCE: Samsung double door refrigerator/freezer is not
I just had (have?) this same problem. I called out the repair man and in the end he suggested that I buy a new fridge because of all the problems reported with my model (RS2555SL) on the internet. Anyway, after a while I heard what sounded like a fan trying to spin on the fridge side. I unplugged the unit, removed the inside back panel on the fridge side. The entire coils and the fan had iced over. I removed all the ice, plugged the unit back in and it is now working. I will still replace this unit because I probably only corrected the symptom but the problem remains.
SOURCE: LG LRFD25850ST gives ER CO code on door
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!
SOURCE: Temperature and adjust refrigerator panel does not work.
problems exist in its electronic control panel that is damaged, this problem should be solved by replacing one block electronic circuit in the control panel. damage is usually caused by a memory of the troubled program. actually if you know you can fix the electronic control panel of the electronic circuit itself, simply replace the IC EEPROM or memory alone. follows with Cristal oscilator usually must be replaced too
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