Whirpool duet dryer quit working

In some dryer's the control panel relies on a thermistor rather than a CYCLING thermostat to regulate the drum's air temperature by monitoring the component's resistance changes; resistance goes down as temperature increases and up when temperature decreases. Once the drum's air temperature reaches a certain level required to dry clothes, the control panel shuts off the heater. The panel will turn the heater on again and begin another heating cycle when the thermistor indicates that more heat is needed to keep the air temperature constant inside the drum

Lastly check your moister sensor. ( located inside the dryer door usually) Especially if machine seems to shut down early and clothes are still wet.
Test with a meter at room temperature and it should show continuity.
A failed moisture sensor will affect the dryer run time in the automatic moisture sensing cycle but it will not affect the heating of the dryer or the timed cycle. Which are reflected by the thermostats.

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check the door switch,if this switch is bad dryer wont work,this is a spdt type switch as it runs the drum light when doors open and lets machine start and operate with door closed

Was there a solution?

Where is the thermistor on the dryer on whirpool duet or remove control panel

Check the belt may be off or broken

Jim,
This could be the belt on the drum has broken or come off. It may also be the door latch switch is loose or broken.

I had the same exact problem, the answer is in the User's Manual for this model Dryer, also here: The Users Manual reads: "TO UNLOCK": Press and hold the END OF CYCLE button for 3 seconds to turn this feature off. I did this and it worked perfectly the first time! My first load is drying now after months of being without the dryer (too busy to investigate!). Good luck.

The following link explains how to correct a Control Lock problem on a Whirpool Duet:

http://www.fixya.com/support/r2469429-kenmore_elite_amp_whirlpool_duet

If these procedures do not correct the error, you may have a more serious problem. If you need further assistance, please let me know. I hope this helps you.

In my case, the problem was a dead main board. The board cost $190 and the overall repair cost $335. I will never buy another Whirlpool due to this experience.

Open dryer's rear panel and look for a broken belt and does the motor spins. Let me know with your results and we will see how could we assist you.