Unplug the dryer,filter is on top so you have to go in through the back,remove the vent line,remove back panel,on the left you'll see the duct that the lint filter slides into,to the right of it and down low you'll see a white thermal fuse part number 3392519,pull at least one wire off of any part you're checking and read it out with a meter,if it's bad change it out but now you have to clean out the dryer or it will pop again.pull out the filter and remove the screws on top,then remove the 4 screws that hold the lint filter duct in and clean out the duct,next if the vent line is long blow it out with a leaf blower,make sure the outside duct is clear,if anything like a cage or screen is on it remove it,all it does is cause problems,you should remove the front panel and blow off the motor and then vac out the cabinet,if you do thid once every two years you'll hardly ever have any problems with the dryer.if the thermal fuse is good then move over to the right and you'll see the heater box,check the thermostats on it
Check the door switch which has three wires Normally Closed / Common / Normally Open. You will need an Ohm Meter to check the switch. Next use the Ohm Meter to test the start relay. Last check the Thermal Fuse by the lint trap in the back with an ohm meter. If you go to Appliancepartspros.com you can order the parts or go to a local appliance parts shop.
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