Frigidaire Dryer Overheating
Posted 06 April 2005 - 03:48 AM
I wrote to you on the old forum site, regarding my overheating 3.5 year old Frigidaire dryer (scorch marks on the back panel, which was hot enough to burn on contact). You suggested that it might be the cycling thermostat, and sent me to repairclinic.com for confirmation. The repair guru wanted me first to open the dryer and make sure there were no blockages, which I did, and then suggested it was a shorted heating coil. On that advice, I replaced the heating coil yesterday. The temperature of the rear panel does seem to have dropped somewhat-- now I can leave my finger on the back panel for a few seconds before I have to remove it, but it still gets pretty hot. Is this normal? How hot should I expect the outside of the dryer to get during normal (safe) operation? I want to make sure I'm not running a safety hazard. For what its worth, I did also try replacing the cycling thermostat, but that had no effect. Thanks in advance for any advice.
Posted 06 April 2005 - 05:12 AM
Posted 06 April 2005 - 06:19 AM
The best way to evaluate this is to measure the voltage at the heating element terminals while it's cycling, should vary from 240v when on to 0v when off.
Sometimes, in these situations, I see the voltage go from 240v when on, to 120v when "off," which indicates that one side of the heating element power circuitry is staying on. A stuck centrifugal switch i the motor will cause this. You may also see the 120v at the heating element terminals when the dryer is plugged in and not running-- this again would indicate a bad motor centrifugal switch.
Posted 06 April 2005 - 08:29 AM
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