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Please see the screen shot below for the diagnostics for the LoDc error.
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Alot of wires behind access pael to back of frig. what wires do I select to test voltage?
Give me a couple of minuets and I will upload a service manual for you to work from.
Please click here to download the manual. Please see the picture of the control board on page 40 to locate the input terminals.
Hand full of wires enter the black box in the access area behind the frig. I do not see a drawing that lays out this. I want test DC wires that enter the black box? Right?
Yes. You need to test the DC input wires. the black box, is it held on the back of the unit by a few 1/4" hex head screws? If so remove them and the plastic cover will come off.