Question about LG LFC20760ST Stainless Steel Bottom Freezer French Door Refrigerator

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Refrigerator is getting no power compressor does not run, no light in the upper or lower compartment electrical outlet is good checked with an omn meter power to circuit board but not beyond board .board has a soldered in glass fuse that looks black, power is on one side of the fuse but not the other

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If it feels like the whole thing is dead in the water, then it is probably your fuse in the back. always include the year and the make of your unit. then people can help more. fuses on modern refrigs are mounted on the circuit board in the back and have to be soldered off and on.

Posted on Sep 23, 2010

  • techtops Mar 08, 2014

    fuse is good all lights working still does not run

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Sub Zero 650S 3 Shutting Down/Tripping


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According to your information you gave you either have an extended circuit (electrical) or a short/weak connection in the unit. If you can get to the outlet for the unit, try another outlet (different circuit would be better) this would rule out the electrical issue, either the unit or the power supply to the unit could be the issue. If you can you might want to call a subzero tech to look at this. This units main power supply into the unit is located in front on the freezer compressor, if you have a dark or blackened molex connection you would have a short there. Try the relocation of power first and see were the issue can be isolated to supply or unit.

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Dec 20, 2011 | Refrigerators

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Please identify compressor connections. Original = red to low, white to high left, nothing on high right. New 3n1 has black (common) and red (run) white (start) and twin black power lines.


The three compressor pins are shaped in a triangle, the common is either directly on the top or directly on the bottom depending on the compressor. The wires of the supco are installed with the red to run, the white to start,and the black to common.(If the common is directly on top, run is lower right and start terminal is lower left) (If the common pin is directly on the bottom, the run is on the upper left, and the start is on the upper right) When you cut out the bad relay overload, the wires hook on the two black wires of the supco with bare ends.

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If you have a meter you can ohm out the compressor windings, the run and start are connected to the common. It is easier to explain looking at a picture, so good luck.......... Picture a triangle with three letters c for common, r for run, and s for start........

The other thing to remember is there is a new type of compressor(some variable speed new one I am unfamiliar with) that does not use this setup, check the schematic(95% will) Consider if you still have a warranty on the compressor also. Supco also sells a 3n1 with a hook up for the old capacitor on its part, very handy, just plugs on, you do not mention it, so probably not the one you have. If you get your compressor running and it sounds good, do not buy a fridge full of groceries for a week or so, compressor may fail, let it run for a few days first, hope this helps,
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This is basically general information for a older refrigerator out of warranty....
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Mar 16, 2011 | Whirlpool Refrigerators

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Freezer not cold enough to maintain ice and food


  • When your refrigerator isn't cooling your food and drink items, first check that the power cord is plugged into a working electrical outlet. If you recently plugged in the refrigerator for the first time, it will take approximately 8 to 12 hours before the refrigerator is cool. Even though the refrigerator is cool in this time frame, you shouldn't place the refrigerator to a colder setting until the initial cool down stage, which takes 24 hours.

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