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Refrigerator on the fritz....Kenmore/LG

Scarpozzi

Scarpozzi

Lifer
Turns out my Kenmore fridge is a POS LG. I don't like LG for anything and have avoided them....I didn't realize I accidentally gave them money.

It's having defrost issues that came up pretty suddenly. The ice maker stopped making ice...(I think the line got frozen). I unplugged the fridge and let it thaw for 2 days. It made ice, but then froze up again a week later and the fridge side stopped getting cold enough. I'm trying to figure out what parts to order. I took the freezer apart this past weekend to inspect it and the drain was plugged with a chunk of ice. I did the hair dryer trick and cleaned everything out. The freezer was working, but then the fridge wasn't getting cold enough.

I figured out that the frost is a sign that water is standing in the drain basin and being blown by the fan...which then causes the moisture to freeze. So ultimately this is just a defrost issue...parts manual is showing me that it could be a sensor($), the heater($$), or a control board ($$$).

I put an ohm meter on the sensor and it wasn't open...so it's likely good...but I'm going to tear into the whole thing again this evening to test the heater element before I drop $75 on a replacement.

How would a bad heating element cause the fridge to be warm? As with most fridge/freezer combos, there's a duct that runs between them and a fan kicks on. I can hear the fan running when the doors are closed...I'm just wondering if there's ice blocking the duct overhead that I didn't clear. Anyone got any experience with LG's?
 
The heater would be keeping the line from freezing?

All I know is appliances are too damned complicated these days. We have a Kitchen-Aid built-in that started acting up. I traced the problem down to a failed capacitor on the control board (via inspection). Thank god a $3 part solved the problem! Ironically perhaps, the garage fridge is a fairly new Kenmore (LG) we got from a friend.
 
I think the defrost sensor is the issue. I think it's been defrosting, but maybe not as often as it should...but also think something else is going on. I'm guessing the flakiness is all related to one sensor. I ordered 3 replacement sensors that will arrive tomorrow. They all had continuity, but it was hard enough to get my meter on the leads to get a reading (pins are small). Hopefully the fridge will start cooling again when I get it reassembled.
 
I got my sensors...freezer temp, fridge temp, and defroster sensor....

I plugged in the defroster and freezer sensors first because the go in the back panel of the freezer....then I reassembled the freezer and plugged the fridge in. I let it run a while and saw no improvement on the fridge. The resistance on the new defrost sensor was higher than the old one and both were room temp.

I then popped the top cover off the temp sensor in the fridge and replaced it while the fridge was running. I heard the fan in the freezer kick off and then heard a pop and within maybe 5 minutes the fridge started cooling down again. I think something may have zapped both. I need to find that controller board and visually inspect it before I feel comfortable, but I think this may be moving in the right direction.
 
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