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Re: dryer heats but takes a long time to dry
You may have a bad overtemp switch that is disabling the dryer heating element ( normally as a safety mechanism to keep it from over-heating and/or causing a fire) from staying on. Many ( but not all) are of the auto reset type and open the circuit if they are sensing high temperatures. When they sense this over temp condition , they open and disable the heater element from being energized. Once the temp drops to less than their limit, they reset and allow the heater to switch on. That would be one consideration to investigate. If you can gain acess to te back of the dryer, you can bypass these switches by shortng the wire leads together.. Do this as a diagnostic only.. and DO NOT leave them that way.. you risk having a fire if you do.. also.. make sure you remove or disable power to your dryer when you are checking this out. If the dryer heater remains on after you short the temp switch leads together, then you wil have proven that the temp switch is the problem and it shoul dbe replaced..Hope this helps you...
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I think you're absolutely right exhaust sensor is faulty.
The buzzer will give 5 beeps, all program LEDs will flash for 5 seconds and the dryer will continue with the cycle. The warning beeps and flashing LEDs will occur every 30 seconds.
On Timer Drying programs it will run for the time remaining and in Sensor Drying programs it will run for 90 minutes. As the exhaust air temperature can not be sensed the element will be cycled on and off at a preset amount. The cycling time of the element will vary depending on the amount of time remaining.
NOTE: When this fault exists the dryer can still be used but regardless of the Sensor Drying program selected the dryer will use the 90 minute Timer Drying program, Timer Drying programs will use the selected program, and with both types of programs the element will cycle as above. The buzzer will also still be sounding.
If an exhaust sensor fault is detected the buzzer will beep and the Reminder Clean the Filter LED will flash. The LED flashes at different rates depending what is wrong with the sensor -
Fast (4 per second) = open circuit senor, broken wiring or multi pin plug not correctly fitted to the control board. Slow (2 per second) = Short circuit in sensor or wiring.
The sensor resistance at different temperatures is as shown below.
This is very rare on a gas dryer but I have seen it. If you have already replaced all that other stuff I would say it has to be inside the timer. On one I worked on once I could remove that orange wire and the dryer would function ok so I ordered a new timer, they sent me a bad timer. Same problem. I finally got a working timer after going through a bunch of mess. That fixed it. So if all the other components are working it very well could be the timer.
Heating element is bad! I have the same exact problem. I Just finished pulling the heater out 20 minutes ago. I ohmed it before I pulled it(showed to be bad) and after I pulled it I found the break in the heating element.
Directions for a DIY!
Turn Off Breaker and Unplug Dryer! Pull two screws near bottom in front. Pull bottom of panel out and the top will pop out. 5x16 inch diameter tube inside on the bottom right is the heater assembley pull the three screws in front and one in back that hold the assembley inside dryer. Unwire two wires feeding assembley. Your done! Only takes about 15 Minutes, Tops!
Lowes Warehouse carrys it. 1-800-476-8160 Part# Y313538 Price $51.71 Ship $7.99 Open 8am to Midnight
Hope you can do this yourself and save yourself some money! Good Luck!
Industrial Maint. Man