The thermal fuse monitors the exhaust temps.įor the heater to stay on until the thermal fuse operates without one of the other 3 disconnecting the heater first means that there is a circuit from the supply through the heater to an earth point (or neutral) after the heater but before the hi limit thermostat as it is the 1st thermostat after the heater in the heater operating circuit. The operating thermostat is for regulating the temp, the high limit is for over temp and the cut off is a fail safe. Looking at the wiring sheet, (linked above) there are 3 thermostats in the heater circuit, the hi-limit, the operating and the thermal cutoff. bared wire touching chassis sometimes and not other times due to vibration of the machine. Being intermittent could be a wiring insulation problem i.e. This fuse will often burn out due to clogged dryer ducting or a defective cycling thermostat.I would check the wiring between the heater element and the high limit thermostat to make sure that it is not frayed and/or touching the chassis. The dryer’s thermal fuse is a non-resettable safety fuse that is designed to break electrical contact to the dryer’s heater if the dryer becomes too hot. Otherwise, you can hold the probes and the wires safely. The test may be easier if your multimeter probes have small clamps or jaws on end. Remove the screw and the thermal fuse bracket can be lifted off. To test the thermal fuse, touch the red and black probe from the multimeter to the two wires attached to the thermal fuse. There’s a 1/4″ hex-head screw that holds both the heating element and thermal fuse brackets. Genuine Whirlpool Part Invludes thermal fuse and high limit thermostat Unplug dryer before installation Please check the compatibility with your previous. The thermal fuse is located on the right hand side of the heater housing and is mounted on a bracket. Though it may sound a bit daunting, opening the top of the dryer to reveal its inner workings is surprisingly simple. To access the thermal fuse you will need to open the dryer from the top. In GE dryers, the thermal fuse–sometimes called a safety thermostat–is located behind the drum on the inside of the dryer. Where is the thermal fuse located in a GE dryer? The thermal fuse cuts the power if the temperature of a heater or motor rises above a preset point. For gas dryers, the high-limit thermostat and the flame sensor are located on the burner. For electric dryers, the thermal cut-off and high-limit thermostat are located on the heater housing. The thermal fuse is located on the blower housing outlet to the left of the thermistor. How do you bypass the thermal fuse on a Whirlpool dryer? Where are fuses located on Whirlpool electric dryer? Turn the dryer on to a heat cycle for no more than 90 seconds. In order to bypass the thermal fuse, use electrical tape to tape the two ends together. Locate and Bypass the Fuse The thermal fuse will look like a thin strip of white plastic with a wire coming out of each end. Will the dryer run if the thermal fuse is blown? Unlike a thermostat that can reset itself, once a dryer thermal fuse blows, it will need to be replaced with a new one before the dryer will run. Will a dryer still run if the thermal fuse is blown? The Dryer Thermal Fuse (Thermal Cutoff, Temperature Fuse) is a 2 by inch, white, plastic safety mechanism that stops the flow of electricity to the motor circuit when a dryer overheats. Removing the front of the dryer and removing the drum might be easier to access the fuse’s location. The thermal fuse is a safety mechanism that, when triggered, stops electrical flow to the heating element after it senses extreme heat. You will be able to visually identify it by the two wires connecting to it. The thermal fuse will be located somewhere by the exhaust vent on your dryer.
Keep an eye on the multimeter needle a needle that fails to move indicates a blown thermal fuse. Touch the left multimeter lead to the left side of the thermal fuse touch the right multimeter lead to the right side of the fuse. How do I know if my Whirlpool dryer thermal fuse is blown? The thermal fuse is mounted on the exhaust duct. The thermal fuse is either circular or oblong, often white plastic with black material in the center and two wire leads.
Remove the back access panel on the dryer, and look for the exhaust duct near the bottom of the unit. Where is the thermal fuse on my Whirlpool dryer?
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