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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SOURCE: Broken sensor
In a GE dryer the sensor rods are below the front support and air duct assembly it may be that a wire has come loose or broken. The sensor itself may be bad but I would remove the front panel check wires before purchasing the part.
SOURCE: heat shuts off way before clothed are dry
Check the following to address this issue. replace the sensor if all below checks out to be OK.
Igniter glows, then shuts off without igniting gas - the problem is
probably with defective coils (black, located on top of the gas
valve). It is recommended to replace all coils (usually two or
three) if found defective.
Most dryers have a thermal fuse, which burns out when the dryer
overheats, in which case the dryer will either not run at all or
stop heating. The fuse is usually located on the vent duct, inside the
dryer. A blown fuse will show no continuity when measured with a
meter. Before replacing the fuse, make sure the blower wheel is not
broken or clogged, and there is nothing blocking the venting.
Note: It is recommended by most dryer manufacturers to replace a
hi-limit thermostat when replacing a thermal fuse.
Igniter may burn out or break. Replace the igniter if found
defective.
Note: Igniters are very fragile and break easily. It is recommended
to handle the igniter only touching the ceramic part of it (usually
white in color).
Replace the sensor (located near the igniter) if found defective.(Flame sensor).
SOURCE: Kenmore gas dryer - Running dryer while empty and
ur vent might be clean but also make sure its not long enough that makes ur dryer hard to get the heat out fast enough
SOURCE: my dryer will not heat. does this have anything to
No, the moisture sensor only senses the wetness of the clothes and the computer determines how long it will take to dry the clothes. The no heat situation is one of 3 problems. No gas situation, high limit switch has tripped or motor contact switches broken. You will need a professional LG technician to diagnose the problem for you.
Good luck
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