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My LFFHF21F7HWC Freezer had a lightening strike. I replaced the control panel on the front door and the freezer started right up. However the freezer is cycling between 25 and 40 degrees. No food in it yet.
Side Note: I took the controller board out of the faceplate and on the back there was a burnt out area. So I ordered a new one, plugged it in, flipped on the breaker and bingo, it started cooling.
There is nothing in the freezer. I will have to go out to my shop to perform this test. I shut the freezer off for the night about an hour ago. However, I can go out turn it on and check those items.
While I was performing the prior cycles I did feel air blowing out of the circulation area at the top of the freezer.
Also while you were answering I was trying to add the following note:
Second Note: I can't edit the additional info so this pertains to the added info. I have a freezer dial thermometer inside the freezer along with the probe thermometer. I opened the freezer door at the top and bottom of the cycles, each time the thermometers both agreed on the temp. The complete cycle from high temp to low temp was about 20 min. The cycle from 25 degrees to 40 degrees was also about 20 min.
When I first got out there I flipped on the breaker. My probe and dial thermometers read 56 degrees. The front panel read 32 degrees. Opening the door the frigde felt warm.
I took off the panel. Fan is running, Compressor running. Frost on the top of the evaporator coil. Small bits of ice. bottom of coils cold but clear.
Freezer panel reads 31 degrees. However thermometers read 65.
15 min later. Frost and tiny bits of frozen condensate top to bottom on coil.
I can perform resistance measurements if needed.
The heating element, a single rod along the bottom (I presume_) is frosted over. The entire coil is now white with frost top to bottom including the heating element. The freezer is cooling significantly.
Sorry it takes so long. My shop is about 50 yards from the house and no internet out there.
There is no fan with the compressor. When the freezer cools to its lowest setting 26 degrees, everything shuts off and the unit is totally quiet until it reaches 40 again.
I think the thermistor might be the problem. When I first brought the freezer home and plugged it in the front panel showed the actually shop temp, about 85 degrees. That temp came down slowly as the unit cooled.
When I plugged it in after replacing the panel it show 53 degrees which I thot was weird. I figured the temp sensing device might be bad also.
Is the thermistor that little (about dime size) black plastic device with a red and white wired, stuck to the side of the freezer above the coil about 6 inches, behind the panel I removed?