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A defective heating element can make a dryer too hot. If the element partially shorts out, it can produce heat all the time, regardless of whether the dryer is calling for heat. Remove the heating element to inspect it. The coils should not be touching each other or anything else.
Other Causes and Conditions
Air Flow Problem
Dryers need good ventilation to work properly. If the vent is clogged it can make the dryer too hot. Clean all of the vent tubing thoroughly.
Although not common, a defective cycling thermostat can make the dryer too hot. The cycling thermostat is supposed to turn on and off the heat to maintain the proper temperature. If the thermostat is defective it may keep the heat on too long. The thermostat is not adjustable or repairable, it must be replaced.
Most dryers have a felt seal at the front and rear of the drum to keep the heat inside the drum. If the felt seal is worn away or missing, the dryer may keep heating and make the dryer too hot. This is not common.
A defective blower wheel will not spin properly and will not vent the hot air, making the dryer too hot. Check to see if there is adequate airflow out of the dryer.
GOD IS still GOOD !!!!
ARE U GETTING THE RIGHT AMOUNT OF VOLTAGE AT THE CONNECTION,? i VE SEEN IN SOME CASES WHERE THE MACHINE ONLY GETTING 120 AND WILL RUN BUT NOT CREATE MUCH HEAT? THE DRYER USES 120 TO RUN THE CYCLE BUT NEEDS A FULL 220 FOR THE HEAT CYCLE TO WORK, THUS IF UR MISSING VOLTAGE IT WILL NOT HEAT? ANOTHER CULPRIT COULD BE A BAD TIMER STUCK ON COOL DOWN OR FLUFF CYCLE AND WILL PRODUCE NO HEAT?
I had a tumble dryer that stopped working and after much investigation it turned out to be an internal thermostatic switch and lots of fluff around the internal filters. ( Mine had 2 of them 1 would cut the heat and kick back in when the temperature dropped and the other one would completely cut all power rendering the drier non usable until cicuit breaker thermostat was replaced. The reason they cut out is to prevent overheating and possible fire. When the thermostat gets to certain temperature it breaks the circuit. Apparently you shouldn't stop the drier until it has completely cooled down as there will be too much heat which could cause a fire, which is why most drier cycles have 10 minutes of cool/ non heated air at the end.
So in conclusion I would take all the filters out and give them a good clean and try to avoid opening the door while there is still a lot of heat in the drier. I'm not sure if this will help but its a starting point.
you have a weak or failing thermostat ,, you can check them by doing this
Set your multimeter to the R X 1 setting. Take each of your meter's probes and touch one to each terminal. You are testing for continuity, and you should receive a reading of either zero or infinity. At room temperature, testing the thermostat should produce a reading of zero. But if a thermostat is tested when it is heated to its limit, a reading of infinity should be produced. be sure machine is unplugged before doing any electrical tests
Sounds like the dryer is overheating. One of 2 possibilities. The dryer vent hose is blocked or partial blocked allowing for heat build up. The other option is that the Thermostat has gome bad or is mal-funtioning. The thermostat works just like the heat in your house it maintains the temperature called for. In the case High heat meduim heat etc, based on the dial postion or cycle you choose
The problem is either of the
cycling thermostat, high-limit thermostat or the gas valve solenoid coils sitting on top of the gas valve
assembly. Disconnect power then verify any of these condition by bypassing the
thermostats. Refer to the image below and locate the thermostats.
Note: This is an image of an electric dryer but the thermostat and the thermal cut-off (cut-out) locations are the same. Disconnect
each of the thermostat wires then connect and insulate them properly.
Once done, reconnect power and start the dryer. The gas valve solenoid
coils are indeed faulty and both need to be replaced if the problem
still persists. Click here for the procedure in replacing the solenoid coils.
Gas Valve Solenoid Coils Replacement Procedure Either
or both of the cycling thermostat and the high-limit thermostat are
malfunctioning if the dryer continues to heat up with the thermostats
bypassed. Disconnect power then reconnect the cycling thermostat wires
but keeping the high-limit thermostat bypassed. Reconnect power then
start the dryer. The high-limit thermostat is the culprit if the dryer
continues to heat up. If not, then the cycling thermostat is the
Also do the other way; that is reconnecting the
high-limit thermostat wires but keeping the cycling thermostat bypassed.
The cycling thermostat is the culprit if the dryer continues to heat
up. If not, then the high-limit thermostat is the culprit.
Replace the faulty thermostat and it should solve the problem.