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I have a Roper REL4636BW dryer. It will not start. The timer runs and the on off switch tests ok, and the door switch works also

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The first step in troubleshooting would be to unplug the dryer and remove the cover on the terminal block. This is where the dryer power cord is installed. Plug the dryer back in and then take a voltage reading across the two hot (RED and BLACK) wires on the AC Voltage scale. You should read about 220-240VAC if good. If the voltage is bad at the terminal block, unplug the dryer again and check the wall receptacle across the LEFT and RIGHT slots. If good at the receptacle, but bad at the terminal block, you have a bad power cord. If bad in both places, you have an electrical problem with the receptacle of distribution source.

Now...barring a defective drive motor, improper source voltage at the wall receptacle, or defective power cord, the most common cause of a dryer that will not run is a blown Thermal Fuse.

The Thermal Fuse is located on the air blower fan housing in the back of the dryer. It is a small white plastic component with two wires attached to it. To access, simply remove the back panel of the dryer. The Thermal Fuse will be located on the blower fan housing on the lower left hand side of the dryer. Make sure the dryer is unplugged and disconnect the wires before making any resistance checks. The fuse should read about zero ohms if good. If bad, replace it. You can purchase replacements on line at,, or Just use your model number for your search criteria. The Thermal Fuse is listed under the "Bulkhead" heading as item number 8.

NOTE: If the Thermal Fuse is blown, it usually blows for a reason. Verify all your ventilation ducting and blower fan assembly is clear of any clogs. Failure to do so, will result in repeated failures of any components you may replace.

If you have any questions, please let me know. I hope this helps you.

Posted on Jun 29, 2009


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