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Klixon 4349806. At what temperature is the contact normally turn on? At what temperature is the contact normally turn off?

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Posted on Apr 24, 2019


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1 Answer

True 49f fans stopped running. Compressor still runs. Fixes? Troubleshooting steps?

I am assuming you are relating to the evaporator fan(s) not running. If this is the case, some units have a 'Klixon" type thermostat in the evaporator so when the evaporator coil temp reaches a predetermined temperature, the fans come on. You may have a bad "Fan Delay" (Klixon) or the coil is not reaching the proper temp to activate it to turn on the fans. I would check the wiring diagram on the unit for this part to see if this unit has it in the system.

May 19, 2018 | True Freezers

1 Answer

What does the temperature reach in my kitchenaid dryer mod# KEYS750GQ0

On cotton no more then 160f for permapress 140f or knits 130f
Older style dryers used a separate klixon for every cycle. Newer models with timers use a single klixon with a heater inside it to make it shut down faster for knits and perma and that is exactly what your dryer uses. It has 4 wires. 2 smaller ones that warm up the klixon and 2 larger ones that carry the heat. If you think the dryer has a heat problem I suggest you clean it up and replace the cycling thermostat. My home movie:

Me working on a dryer with a heat problem just like yours:

If you need further help, reach me via phone at

Sep 07, 2012 | KitchenAid Dryers

1 Answer

Flame turns off rematurely

That is normal. The gas does not stay on constantly. That would burn the clothes. The gas assembly is controlled by a Klixon mounted on the blower housing. As the air comes through the blower The Klixon also known as the cycling thermostat judges air temp and turns the gas assembly on and off. Here is a video explanation:

If you need further help, reach me via phone at

Jul 20, 2012 | GE Dryers

1 Answer

When freezer is in defrost, inside temperature rises to 40 degrees F. The technician says this is normal. Problem is, the food is defrosting and we get frost on the food. Ice cream turns to liquid.

No this is not normal. There is a temperature sensor commonly called a klixon that is strapped to the evaporator coil or a plate mounted to the evaporator coil that should cut the heater power if the coil gets warm enough. The defrost timer could be faulty - running slow and defrost may be a bit longer than usual but the temerature sensor should cut the heater off way before the unit gets that warm. I would get another technician as this is a pretty simple problem to diagnose and repair.

Jan 05, 2011 | Amana ATB2135HR Top Freezer Refrigerator

1 Answer

I have a dayton hanging furnace that after a few minutes the fan stops and burner keeps burning then a few minutes later the fan starts again and keeps repeating this cycle. model 3E845. thanks.

On the side of the heat exchanger is a fan Klixon that turns that motor on when the temp exceed 110f on the side of the heater. maybe that thang is going out or your fan motor needs oiling and is cutting out on overload. Next to the fan klixon is usually a limit. Both look the same. The fan klixon will have a marking stamped into the metal such as F-120 the limit will have L-240.

If you need further help, reach me via phone at

Dec 28, 2010 | Dayton Gas Furnace Heater

1 Answer

We bought this kenmore fridge in 2002, and it buzzes for about 15 seconds, then quits for about a minute.I'm sure its the compressor, but why all of a sudden, and is there any inexpensive fix?

The buzz your hearing is the compressor NOT starting. You should hear a click after about 45 seconds and then silence. The click is the KLIXON thermal overload doing it's job of hopefully protecting the compressor windings.

There are a couple of things that can be causing your problem.

1. The PTC relay / KLIXON assy is no longer working normally (sometimes caused by a loose / hot contact)

2. The run Capacitor has failed

3. The bad news... the compressor rotor is locked and will not turn.

The relay and capacitor are a moderatly priced fix even if you have in home service.

If the compressor is locked and has to be replaced then your looking at a repair bill well upwards of $300.00 with the compressor, pre-oil for the system, labor and Freon / coolant.

Feb 08, 2010 | Freezers

1 Answer

It appears the freezer is not keeping the food cold enough and there is an occasional clicking noise underneath where I'm assuming the compressor is. Could this be some type of relay problem? This is a...

The clicking sound your hearing is the compressor trying to start but is not completing the start cycle or achieving run speed so the KliXon thermal overload is tripping trying to protect the compressor.

This can be caused by a bad start relay / Klixon,
A bad run capacitor or...
The bad news a bad compressor.

Letting it just click click click is not a good thing and will cause more damage. Unplug the unit for about 30 mins and then plug it in see if it starts normally.

There can be yet other issues like a defrosting timer contact problem that got weak / hot and isn't allowing enough amperage through to start the compressor.

Jan 28, 2010 | Kenmore 57029 Side by Side Refrigerator

1 Answer

Refrigerator is clicking, won't run

Is this clicking happening about every three or four minutes?
It sounds like the klixon, which is a thermal/current sensing device which is under the electrics cover on the compressor. It is a metalic disc which if the current is too high, or the compressor case temperature too hot, will cause the disc to expand and will move from being convex to concave in shape. As it moves from one to the other, it makes a clicking sound. The usual cause of a cycling klixon is lack of refrigerant in the system which causes the compressor motor to cease which means when it tries to start the current rises too high and the klixon 'pops' which breaks the contact. It cools down, 'pops' again, makes the contact, tries to start, won't because it is seized, current rises, klixon pops out again, and so on. You need to get a qualified refrigeration engineer in to fix it, or if it is an old unit, bin it and buy a new one.

Aug 15, 2009 | GE Refrigerators

1 Answer

Sanyo Refridgetor with freezer on top

This is common, your machine needs a new defrost klixon. or it is (the klixon) loose from it's mount. Turning off the mach. gets a good defrost and
all is good for a time.

Jan 15, 2009 | GE GBS22HCR Bottom Freezer Refrigerator

1 Answer

Haier HDN655E unit runs but compressor won't kick in

use a jumper cord and go directly to the compressor to see if it will run. if it don't run, open up the motor box and see if there is a klixon overload inside. this should be normally closed. if it isn't replace it. the klixon is a thermal overload cutout. it usually trips because of high winding temperatures and protects the motor inside. the compressor is a hermetically sealed unit. no, or little freon will cause the motor to overheat.

Aug 21, 2007 | Haier HDN655E Dehumidifier

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