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Re: Thermal fuse kenmore 70 series dryer
HI thanks for your question. the thermal fuse is located at the back of the dryer. remove back panel. thermal fuse is located on the air duct. on the left. a small plastic peace with 2 blue wires to it. replace this part. also clean all venting. this could cause the thermal fuse to fail. thanks the appliance doc. please rate my answer. thanks.
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Check the vent for clogs and kinks. Could be something in the blower wheel causing the noise and blocking the vent.
Remove the vent from the back of the dryer, unplug the dryer, and reach inside the dryer vent to check for items lodged in the blower housing.
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.
The humming noise is most likely coming from the timer motor and not from the drive motor. This characterizes a problem with a blown thermal fuse which is wired in series with the drive motor and located on the blower housing. Power to the motor is cut when the thermal fuse blows open and consequently the drive motor cannot run. No dryer function works when the drive motor cannot run.
Unplug the dryer or disconnect power then pry the lower access panel off with a flat-head screwdriver as shown.
Remove the screw from the lint duct bracket
and remove the bracket. Remove the two hex-head screws from the lint
duct and remove the duct to access the thermal fuse and the cycling thermostat.
It is indeed a belt issue if the dryer blows hot air, which means the motor is running, but the drum does not turn. Otherwise, the thermal fuse (part number 3392519) mounted on the blower has failed. This thermal fuse is wired in series with the motor circuit and its failure results in the motor not running and the dryer not working at all.
Remove the dryer real panel to access the blower housing and check the
continuity of the thermal fuse. Grab a volt-ohmmeter and set it to the R
X 1 scale then disconnect one wire from the thermal fuse terminals then
check the continuity of the thermal fuse. Replace the thermal fuse
should it read open.
next time send the model number,if it's not starting unplug the dryer,on top of the blower wheel housing there will be a thermal fuse,if the filter is on top it's behind the back panel of the dryer,if the filter is inside it's in the front of the dryer,it will be near the duct that the lint filter slides into,you need to remove at least one of the wires before you read it out with a meter,it will be a 3392519 or a 3390719,these are the two most used thermal fuses.let me know what you find,if it is the fuse most likely you need to clean out the dryer.blow out the vent line i use a leaf blower if it's long,clean out the duct that the lint filter slides into and vac out the inside of dryer where the motor is
check the thermal fuse if it is blown also change the high limit thermal cut-off fuse www.repairclinic.com shows your parts. go there and enter model number. Also check the heat element. to get into it remove the lint filter and the two screws you'll see there then pry the top up at the front corners. And through the back you should find the heat element and blower housing and thermal fuse and high limit fuse and cycling thermostat.
If it's gas, the coil valves get weak and are unable to hold themselves open when hot. First, check the exhaust vent. If it's clogged, it can't remove heat and it will shut off prematurely. Most likely the coil valves though.