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Using timed drying cycle (not 'dryness sensing') and HIGH temperature setting, bath towels used to come out very warm and thoroughly dry in reasonable time. Now, they're hardly dry and barely warm. Vent is unobstructed and heating element glows along its entire length, though it is heating only a third of the time (on HIGH with the dryer running empty). What are likely causes?
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Joined: 7/27/2010(UTC) Posts: 1,395  Location: near the middle of nowhere Was thanked: 24 time(s) in 24 post(s)
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Originally Posted by: John Kahler  Using timed drying cycle (not 'dryness sensing') and HIGH temperature setting, bath towels used to come out very warm and thoroughly dry in reasonable time. Now, they're hardly dry and barely warm. Vent is unobstructed and heating element glows along its entire length, though it is heating only a third of the time (on HIGH with the dryer running empty). What are likely causes? You need to go by temperature at the outlet (vent). On high it should be around 160 degrees F. And it should cycle up to 160 F and then back down to about 30 degrees lower, then back up. If it is doing that, then you have a problem with airflow. If not it could be a thermostat going bad. Have you checked the area under the lint filter. Often large amounts of lint can catch there and interfere with airflow. Not to mention a bad door seal or bent door can throw the airflow off.
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Thanks, ThatGuy, for the prompt reply. I don't think I have an airflow problem because there's quite a breeze at the outlet outside. I have straight pipe, not the corrugated, flexible hose. I intend to use a thermometer as you suggest (thanks for the suggested temperature range). Assume the temperature is NOT reaching 160 degrees F. There are three temperature sensors: a non-resettable thermal fuse, a thermistor, and a a high temperature thermostat. Which do you think is suspect? And do you think it is the sensor, or the gizmo 'reading' the sensor? And what would that gizmo be?
Thanks again - John
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Rank: Advanced Member
Groups: Expert
Joined: 7/27/2010(UTC) Posts: 1,395 Location: near the middle of nowhere Was thanked: 24 time(s) in 24 post(s)
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Originally Posted by: John Kahler Thanks, ThatGuy, for the prompt reply. I don't think I have an airflow problem because there's quite a breeze at the outlet outside. I have straight pipe, not the corrugated, flexible hose. I intend to use a thermometer as you suggest (thanks for the suggested temperature range). Assume the temperature is NOT reaching 160 degrees F. There are three temperature sensors: a non-resettable thermal fuse, a thermistor, and a a high temperature thermostat. Which do you think is suspect? And do you think it is the sensor, or the gizmo 'reading' the sensor? And what would that gizmo be?
Thanks again - John OK, the information I gave you was good, but not model specific. Your model number didn't come up on this site, Today I went to the Sears site and looked it up. Your dryer has a control board next to the timer that controls the heat along with a black relay as well as the parts you mentioned. You can eliminate the thermal fuse, if it goes, no more heat. The thermistor could be bad, but probably isn't. The high temp thermostat is probably fine. I would lift up the control panel and check that board. I've seen them with blown capacitors and burnt off resistors. Be sure to look it over carefully. Both sides if possible.
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