If your dryer smells like burning, start with the simple stuff first: excessive lint build-up in the lint filter or vent is the most common cause and can actually catch fire, so clean the lint trap and venting now and at least once a year. If the smell persists, a stretched, worn or frayed drive belt that’s slipping on the drum or idler is next most likely; check that the drum and idler pulley turn freely and replace a damaged belt. Less common but still possible is a shorted main control board or burned components on the control assembly, which can give off an electrical burning odor. Some models use a blower belt; if the blower or blower belt is stuck or slipping it will also produce a burning smell. Finally, a seized idler pulley or worn idler assembly that lets the belt slip will create heat and odor. Enter your dryer model number on RepairClinic.com to find the exact replacement belts, pulleys, blower parts or control board for your machine.
01 - Estate Dryer Lint Filter
Excessive lint build-up in the dryer can be a fire hazard. The element or burner can cause the lint to catch on fire. It is recommened to clean out the dryer and dryer venting at least once a year.
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A drive belt that is stretched, worn or frayed can slip producing a burning smell. If the belt is damaged also check that the drum and idler pulley turn freely.
A dryer's main control board controls the voltage being sent to all of the appliance's electrical components. The board itself can become shorted and produce a burning smell. You should inspect the board for any burn marks or a shorted components and replace if necessary.
Some dryer models use a belt to run the blower. If the blower gets stuck or the blower belt is worn, loose and slipping, it can produce a burning smell. Confirm the blower turns freely and replace the belt if needed.
The idler pulley keeps tension on the belt to prevent it from slipping. If the idler wheel is damaged or stops turning, the belt can slip on the drive pulley, producing a burning smell. If your idler pulley is damaged or doesn't turn, you should replace it. Replacing the drive belt is also recommended.
The idler pulley assembly keeps tension on the belt to prevent it from slipping. If the idler wheel is damaged or stops turning, the belt can slip on the drive pulley, producing a burning smell. If your idler pulley assembly is damaged or doesn't turn, you should replace it. Replacing the drive belt is also recommended.