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Re: dryer will run for about 20 minutes then it cuts off.
Are you able to restart the Amana dryer right back up when it shuts down? If you can, there is a short issue. If you have to wait a few minutes and you might even hear a faint click, then it will start, your motor needs replaced.....If Ic an help further, I am here.....
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Open the cabinet and look for lint buildup around the motor. Lint will act like a blanket and hold to heat in on the motor which in turn will cause it to shut down by way of it's safety mechanism. Check that out and post back your findings.
after you changed the thermal fuse did you clean out the dryer and the vent line?if not you blew the fuse again and it will keep doing this until you clean out the duct that the lint filter slides into,vac and blow out the motor and the cabinet where the motor is and blow out the vent line,if it's a long run remove the vent line from the back of the dryer and blow it out with a leaf blower.the dryer went over 300 degrees from lint buildup and popped the thermal fuse,it's a safety so the dryer doesn't run hot and start a fire.if the dryer is running and sfter like 20 minutes it shuts down and won't start for a while until it cools down then the motor is bad also probably from the dryer running to hot from the lint build up.
Try taking the door switch out and tieing the wires toghther with a wire nut.UNPLUG DRYER FIRST.
If dryer runs ok then its the door switch.If not then its possible the motor is heating up,you can clean the lint and dust off the motor with a vacum cleaner by taking off the rear panel or turning machine on its side.
you will need to clean the vent tube/internal duct work:
The thermostat tells the dryer to heat until the interior of the dryer reaches a pre-set temperature then the thermostat tells the
timer to begin advancing. The
timer advances until the interior cools, then the thermostat tells the
timer to stop advancing, and tells the dryer to start heating again.
if the vent/duct work is clogged then the
dryer may never reach the proper operating temperature, so it doesn't
send the signal to the timer and the dryer continues to run
indefinitely, even if the clothes are completely dry.
I hope this helps here is a website on how to remove cabinet:
if you are using the auto dry setting and the dryer is still running after 5 hours you either have a timer issue or a thermostat problem.
The timer is driven by a motor, if the timer motor is bad the timer wont time out.
in the auto dry cycle the thermostat has to cycle off and on which then sends power to the timer again advancing the timer.
set the timer in a timed dry cycle for say ten minutes, if the timer advances and turns off then you know the timer works. if it doesnt advance you have a timer motor issue,
if the problem is the auto cycle, you could replace the thermostat, about $20 american. however a clock timer would be cheaper.
Based on how old is your machine and do you want to stick a timer in it after already paying the service man is up to you.
A basic bath towel load should be dry in about 50 minutes, this varies on how good your seals are and how long a vent you are running, if the dryer vent was plugged you already have shortened the life of your heating element.
check for blocked vent tube.You should have a very strong flow coming out.If it is weak it will run badly.It is a common call.If its not weak air flow than run the dryer for at least 20 minutes.Open the door and if has no heat inside .......change the split coils. Please Rate This !!!
Check your ducts that the heat blows out through. make sure there is no plug up in the dryer or in the ductwork. You may have a problem with the termosensor or the high temp cut out safety switch/sensor. This sensor would be somewhere in the exhaust of the dryer.