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Air flow must be poor otherwise that thermal fuse would not be opening. Take the lint filter duct off and make sure nothing is clogging air flow at or to the blower. The blower wheel can become clogged up with lint. Nothing else but poor air flow is the problem here.
Are the drum felts in good shape?
Hi, welcome to Just Answer. My name is ***** ***** I look forward to helping you! Did you test the element to be certain it has not shorted to ground? If you start an air dry only cycle, no heat, does it heat the drum?
Can you test between the element and the case and see what reading you get there, please?
Okay, so if the element is not shorted and you are absolutely certain the air flow is good, there is a problem with the thermistor that tells the control when to heat or the control is faulty and not shutting the heater off when it is told to by the thermistor.
No, the thermistor is mounted on the blower housing. If you click the link for it, there is a video showing exactly where it is.
Do you read 240 VAC between the two wires with it running?
If you have 240 VAC at those wires and no heat (when element is plugged in), the element is faulty (open).
If you put the element back in and the voltage drops when it is hooked up, you likely have a bad relay on the control, failing under a load. What voltage do you read when the element is hooked up?
Did you bypass the high temp sensor to get the voltage to the element? Or is there a new one in there again? Your original post said it was open.
The thermistor looks like the one in the link I sent you. It is the one closest to the motor, the larger black one. Did you watch the video at the link?
Well, it could be the control or the thermistor. Usually, if the thermistor fails, there will be an error code. However, if it is just out of range enough to cause overheat, it may not error. So, it could be either one. I would order both and try the thermistor first. If you order through the links I sent you, you can return either one you don't need, EVEN IF INSTALLED! No, the thermostats on the heaters are safeties, they are not designed to cycle heat on and off, only to open in an overheat situation.
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The main control, the part that controls the functions of the machine. Both parts are available below.
CONTROL CLICK HERE
THERMISTOR CLICK HERE