When set to auto dry, the dryer will heat properly but the knob will not advance at all to allow shut off.
The knob does advance in timer, but somewhat slow and will take longer than the current time, but eventually will end the cycle properly.
All other operations are working properly as far as the dryer shutting off when door is opened or when knob is moved to off position.
Have checked for an inline fuse only to see none in existance unless there is some sort of fuse inside the knob housing.
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Re: Auto Dry not advancing
It sounds like a timer problem since it happens during timed also. Some dryers don't have an actual moisture sensor for auto dry. They work by knowing that as long as the clothes are wet the temp won't go past a certain point. As the clothes dry it trips a thermostat that lets the timer advance. Until this is fixed DON"T trust the timer to shut off the dryer. Sometimes it won't or could leave the dryer running for hours. This has nothing whatsoever to do with fuses. There are no fuses in a dryer. Just high limit thermostats and other devices that will shut off the heat but usually not the motor.
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Ain't no moisture sensor. This is is not an electronic sensing machine. It uses another method to determine dryness. An orange wire connects to the base of the heating element. The timer motor is driven by power from it in auto dry. The timer motor is VERY slow. Slower than most dryer timer motors.As the clothes get dryer the heat is not needed so the element is turned off by the control thermostat which is mounted next to the skinny white fuse on the blower housing. This allows for the turtle like motor on the timer to advance. Once the clothes get to the point of dryness the heater stays off way longer and the timer motor advances on over to the cool down and carry on over to the end of cycle. So the clothes won't always be dry due to factors like lint buildup in the blower housing, venting to outside and so forth. having said that my mom bought a brand new Kenmore dryer and I set it on 55 minutes timed drying. At the end of that them clothes is still damp. I then set it to auto dry high heat and that usually gets em dry. I think the main probo with this dryer is the thermostat ain't set as high as older models to keep the heat at a moderate temp so that the limits won't blow on models in apts and such. Just a theory.
See if the timer advances in the timed dry or the auto dry cycles. If the timer advances in timed dry but not in auto dry, then you could have a wire connection failure in the orange wire from the heating element to the timer.
If the timer will not advance in either type of cycle, then I recommend checking the timer part number that you are using.
do you have heat in the dryer?is it on time dry or auto dry?when the heat shuts down then the timer will advance in auto, when the heat starts again the timer stops.let me know if you have heat or not and send the model next time,will start with 110. or something like that and eight numbers after the dot
in auto dry the timer motor receives voltage to advance by way of the cycling thermostat.[each time the thermostat opens to stop the heat the switch in the thermo then changes that voltage up to the timer and it will advance timer motor until it closes again for heat and this continues till clothes are dry]so as long as timer is receiving that voltage and not advancing then i agree its the timer.other wise it could be a failing/intermident cycling thermostat.a thought.in timed dry the timer motor receives constant voltage.so if never stalls in timed dry it may be a clue that the timer is ok. i hope this helps you understand whats going on. God bless ,tom
Run the dryer for a minute, then open the door and check for heat. If there is heat, the element is ok. If so, you've got a venting issue. If there is a restriction in the vent you won't be able to get as much air out, therefore you won't be able to get as much of the moisture trapped in the air out. The auto dry settings on some dryers require the operating thermostat to open to advance the timer. If there is a venting issue it may cause the dryer to cycle with the hi-limit thermostat instead. Of course, it should not affect the timed dry cycle. so if it won't advance there either you may have another issue. Try taking the vent off the back of the dryer and allow it to vent into the room. This may take care of both of your issues if the restriction is in the home venting, then you would need to sweep the home vent. It's also possible that the restriction is in the dryer blower housing. Without the vent hooked up, turn the dryer on and feel where the vent leaves the dryer. You should have a fairly strong movement of air, if not you'll need to disassemble the dryer and remove the restriction.