Question about Whirlpool Dryers
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.
Read more :http://www.ehow.com/info_12203962_check-dryer-thermistor.html
Posted on Apr 15, 2015
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Posted on Jan 02, 2017
Tips for a great answer:
The machine control electronics monitors the
exhaust temperature using the thermistor, and
cycles the heater relay on and off to maintain
the desired temperature.
Begin with an empty dryer and a clean lint
1. Plug in dryer or reconnect power.
2. Set the following configuration:
? Door - must be firmly closed
? Press Control On
? Press End Of Cycle Signal (Louder)
? Press Start
3. If after 60 seconds, E1 or E2 flashes in the
display and the dryer shuts off, the thermistor
or wire harness is either shorted or open.
? Unplug dryer or disconnect power.
? Check wire connections at the machine
control electronics and thermistor. See
Accessing & Removing the Electronic
Assemblies, page 7, and figure 8 for
? If wire connections are good, remove the
two wires from the thermistor and replace
the part number is 8577274 you can remove the lower panel in the front to change the part.
thanks and please rate me thank you....ken
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