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Trying to open unit to change thermal fuse

Trying to change thermal fuse, how to get at it?

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Need model number and I can help krazytech

Posted on Apr 05, 2008

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Drum run but no heat

With gas dryers the unit will run with a bad thermal fuse, igniter, coils, thermostat or gas valve. check the thermal fuse for continuity. if the igniter does not draw enough amps the coil will not trigger the gas valve to open, or it could be a bad coil. pretty rare that the gas valve is bad. I would start with the thermal fuse, it is usually located on the blower housing.

Oct 24, 2015 | Frigidaire Fasg7073Lw 7.0 Cu Ft Steam Gas...

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Has power but won't start what's wrong?

Hi Is three sample resolution
1 electric cable broken
2 pushed bottom broken
3 thermal fuse broken
Check cable ,change pushed bottom open the standing cover , exchange thermal fuse open back dryer cover. Usually is the fuse.

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1 Answer

I have a Kenmore Series 70 Dryer and I changed the thermal fuse got hot for a few minutes the model #110.74722400

The cycling thermostat must also be replaced when replacing the thermal fuse. The cycling thermostat's failure to cycle off the heating element results in overheating of the dryer which consequently blows the thermal fuse open.


Replacing only the thermal fuse should the dryer stops running and fails to start will result in its premature blowing or even the thermal cut-out (cut-off) located on the heater duct. Like the cycling thermostat, the high-limit thermostat must also be replaced once the thermal cut-out blows open. Refer to the parts diagram in the link below and look for item numbers 31(thermal cut-off), 34(hi-limit thermostat), 39(thermal fuse), and 41(cycling thermostat.

Kenmore Series 70 Electric Dryer (110.74722400) Bulkhead Parts

Aug 21, 2011 | Dryers

1 Answer

My Whirlpool dryer(supreme) does not start. The timer switch, door switch, start switch can all be heard to electronically switch on and off when I turn the timer around and open and close the door....

the thermal fuse may be faulty. Remove the outer back of the dryer. the thermal fuse is located on the blower assy with 2 wires connected to it. It is white plastic. connect the wires together, then try to start the unit again. If the unit starts, clean the exhaust duct after replacing the thermal fuse.

Jul 20, 2010 | Whirlpool LEQ8000JQ Electric Dryer

1 Answer

Our daughters maytag dryer will not start. Checked power input, thermal cutoff fuse and both thermostats and the door switch. I have not checked the thermal fuse at the motor. The schamatics show this...

You are obviously an advanced tech/owner....

Disconnect power to the dryer for a minimum of 2 minutes to recycle the breaker and timer and try again. If no joy...

Check the motor thermal fuse. Then check the on/off switch continuity (power and leads off). Megger or ohm out the motor and cap for opens or shorts.

Rotate the timer 360 (unless digital) and try again. If still no luck, sounds like the timer. You didn't say how old the unit was, if it is gas or electric, or the make/model.

Sign up for FixYa..we can always use people like you who know their way around....:)

Jan 26, 2010 | Dryers

1 Answer

I changed the heating element after water had gotten into the dryer. It still isn't heating. Is there anything else I can change?

In most cases, a failure to heat is caused by a blown thermal fuse or high limit thermostat. Usually it is the fuse, but the fuse may be blown due to a defective thermostat. To find the location on yourspecific machine (and purchase the parts) try To test the fuse, WITH THE MACHINE UNPLUGGED, put an ohmmeter or continuity tester across the fuse with it's wires unhooked. It should have continuity. If it is open, replace it. If the thermal fuse blows, it is fairly common to find the dryer vent partially blocked as well. Make sure it is clear. Thermal fuses are fairly cheap, but you don't want to have to replace it every other week.

Jan 03, 2010 | Dryers

1 Answer

Drum doesn't turn, but the light is still turns on. No noise indicating the electric motor is trying to turn the drum. I opened the top and verified the drive belt is intact and taut.

First, please keep in mind that i am attempting to diagnose your unit with out being there and with limited information.
If I were called out to your home to repair this problem, I would first check your breaker. I would flip it off and then back on. If this didn't fix the problem. I would then check the door switch. If it's good, I would then open the back and check the thermal fuse and then the Thermal cut off. If either were bad I would change it. If it were the thermal cutoff. I would also change you high limit because when the thermal cutoff is bad, it is due to the high limit thermostat going bad, then the dryer cycling on the thermal cut off until it goes bad causing a problem like what you have.
Please rate solution

Sep 08, 2009 | Whirlpool Dryers

1 Answer

Thermal Fuse

the thermal fuse or the hi-limit switches are both easy to change out once the dryer top and front cover and drum is out unless you can access the element from the rear of unit

Aug 29, 2009 | Maytag MDG2706A Gas Dryer

1 Answer

LG DLE7177 Thermal fuse

Thermo Fuse is normally followed by the power source or on
the circuit board, Follow power source and you will find fuse.

Oct 21, 2008 | LG DLE7177 Dryer

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