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I have a Frigidaire upright freezer that is sounding a high temp alarm but the food is still frozen. The freezer looks to be pre-PC. An inexpensive thermometer inside the freezer is reading 18 deg F. lightning has fried a couple of small appliances in the house. What am I dealing with here?

I am trying to figure out what is going on with a Kenmore 253.28093802 that intermittently gets too warm. When I first opened it up, the outer wall had lots of ice and the evaporator coils were all frozen over. I found that the thermistor was giving wildly inconsistent OHM readings and replaced it. Everything worked fine for a couple of days, but now the freezer often gets warm again.

I am having difficulty interpreting the evaporator coil frost pattern and diagnosing the start relay for the compressor.

The evaporator is short, making it difficult for me to determine whether the visible fade in frosting (see attached image) indicates a leak or is normal fade associated with proximity to the heater.

The PTC relay gives proper OHM resistance, but makes a very slight click noise when shaken. It is less a rattle than a single click. If the parts inside the relay were broken, would it still give proper multimeter resistance readings?

Thank-you for any advice/expertise/opinions you can offer.

Also had another ge sxs single evap. freezer good fridge not. Opened it up and the defrost thermostat was popped, replaced it and checked the heater real quick and it ohms out. Got a call a week later doing it again. Bimetal is new and the heater ohms out. So I replaced the main control, just have to wait and see now. Seems to be the story of my life latley going on a simple call turns into recalls  ugh...
  If your have the freezer open up for a defrost problem like in this case you should replace evaporator thermistor as it is cheap and may save your ass in the long run.My opinion.
Chit Chat / Re: Igniter diagnose
« Last post by domain on July 23, 2016, 07:15:12 AM »
Show them the amp draw before and after? O0
Dryer Repair / Re: LG DLEY1701V service manual needed
« Last post by sta2877 on July 23, 2016, 06:59:51 AM »
Many, many, thank you very much that's exactly what I needed.
Chit Chat / milnore comercial washer
« Last post by gregaguilar on July 22, 2016, 11:02:00 PM »
Has anyone out there worked on a milnore comercial washer model l number 360Iv5z?
freezer is at 20 degrees may indicate sealed system issue, you really have to look at frost pattern. check evaporator sensor in fresh food. might be out of specs.
Heating & Air Conditioning Repair (HVAC) / carrier 58sx060-gg-1
« Last post by jdman on July 22, 2016, 06:01:21 PM »
cooling blower motor runs all the time. it has the ice cube relay on the board. can the relay be replaced or is it made into the board? where can part be found at to purchase? Thanks so much for any help
Chit Chat / Re: Igniter diagnose
« Last post by mz3own on July 22, 2016, 03:44:04 PM »
they use different gas valves and different safeties.
dryers uses something like a cad cell eye to see the ignitor glow then open the primary gas valve to test a light. Once lit it opens a secondary valve to continue running.
Stoves use a heat disk in the gas valve. As the ignitor glows it is also starting to worp the safety device in the valve of the stove. As the resistance drops because the ignitor gets brighter more current is sent to the heat disk to the point it will open the valve. Which is why you can get intermitent operation and get customers to say they smell gas now and again.
Washer Repair / Re: Kenmore Washer starts then stops
« Last post by AJ on July 22, 2016, 02:42:27 PM »
Yes there are testers just for capacitors. Here are some on Amazon.
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