- Check the burner and the controls to see if they are faulty. Adjust the air shutter to readjust the air flow. Loosen the screw on the air shutter and move the shutter until the flame looks light blue in color. If this doesn't work, have the dryer serviced. Other problems could be the timer, thermostat or centrifugal switch, all of which can be replaced.
- Replace the worn or broken drum belt that spins the drum. The idler and motor pulleys that spin the belt, the tension spring and the roller that the drum rides upon may also be causing the problem. Try tightening the motor pulley. Have the parts replaced, or the motor serviced.
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Clean out the exhaust vent, the exhaust paths and the lint screen. Check the door and drum seals to see if they are worn. If damaged, have the seals replaced. Replace the thermostat if it is faulty. Adjusting the air shutter may correct the problem.
- Unclog the exhaust vent and clean the lint screen. This holds in the heat instead of allowing it to pass out of the dryer. Make sure that the exhaust vent is installed properly. Try adjusting the air shutter. If the thermostat is faulty, have it replaced.
- Tighten any loose parts that shake as the dryer operates. Replace the worn belt, idler pulley or support rollers. The noise could also be a loose blower that will need to be fixed or replaced. Noise can also indicate that the motor bearings are damaged; if this is the case, service the motor.
- Check the power cord to determine if it is unplugged or damaged. If the door switch, thermostat, timer, motor switch or start switch is damaged, have it replaced. If the motor-overload protector was activated due to too many clothes in the dryer, let the machine rest and cool down for 15 minutes.
