Question about GE Profile Harmony DPGT750GC Gas Dryer

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Unpredictable heat For Master_Tech: I've read your solutions to similar problems, but cannot follow a thread to resolution. I need help. My dryer is operating with heat flow that has become unpredictable over the past 2 weeks. I can get clothes dry, but it takes multiple cycles. Sometimes the heat comes on intermittently over a 30 min cycle; sometimes the heat only comes on for the first min of a cycle and then not again; and finally, sometimes the heat does not come on at all. There is a consistent noise that is new and is hard to describe (maybe plastic on plastic grinding). I've cleaned the ducts from the front of the dryer all the way to the outside of the house, and didn't want to go further without better instruction. Thank you, drakesnest@q.com

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  • drakesnest Nov 19, 2008

    I have also posted this under my premium problems, if you can find it there.

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Hi i think you have problem with thermostat. t hermostats, the dryer temperature control switches, are controlled by the temperature inside the dryer or by the heat of the motor. One or more thermostats on the panel can be adjusted to control the temperature in the dryer. Operating thermostats sometimes stick, causing control problems. These thermostats are usually positioned near the exhaust duct bulkhead or the fan housing of the dryer. Remove the back panel of the dryer to get at them. 
Before you make any checks, try tapping the housing of the thermostats lightly with the handle of a screwdriver. This may jar the contacts loose. Temperature control switches are located behind the dryer control panel, and the panel must be removed for switch testing or replacement. Here's how to test and replace the thermostat:

Step 1: To check the control panel thermostat, make sure power is off to the dryer. Test the thermostat with a VOM set to the RX1 scale. Clip one probe of the VOM to each thermostat terminal. If the meter reads zero, the thermostat is working. If the needle jumps to a high reading, the thermostat is faulty and should be replaced.

Step 2: If necessary, replace the thermostat with a new one of the same type. Connect the new thermostat the same way the old one was connected.

Step 3: To check an operating thermostat, first make absolutely certain that the power to the dryer has been turned off and the dryer is cool. Then disconnect the leads to one side of the thermostat. Test an operating thermostat with a VOM set to the RX1 scale; clip one probe to each terminal of the thermostat. Disconnect the leads to one side of the thermostat so that the meter won't give a false reading. If the meter reads zero, the thermostat is working. If the needle jumps to a high reading, the thermostat is faulty and should be replaced.
thank you .............please rate it

Posted on Nov 30, 2008

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