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Guías de reparación y soporte para secadoras de la marca Whirlpool.

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Dryer overheating tried everything

Dryer is overheating on all temp settings. Set to extra low heat the screen at the back of the dryer where the blower is glows red within a minute of turning on. Replaced cycling thermostat, fuse, the other thermostat, basically anything with a wire attached that can be replaced. Also replaced heating element. Air flow is good. Any other ideas?

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Could you post the brand and model number of the dryer, and maybe some images? I would be very helpful for diagnosing the problem.

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It’s a whirlpool WED4800BQ1.

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We are getting good air flow out of the vent and cleaned the exhaust hose just to be sure. I’m not sure there would be time for hot air to recirculate, the screen at the back of the drum literally glows red hot within a minute of starting the dryer.

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Similar situation. I have fixed many of our washers and dryers over the years so I pretty much know what I'm doing. I currently have a Whirlpool Duet dryer. My current issue is the dryer is overheating. Thermal fuse is blowing and the dryer and clothes are way too hot to the touch. I have eliminated several possible causes (lint buildup, clogged duct, thermostat, thermistor, heating element, blower wheel, felt seal still seems good etc.) and I am currently down to it either being a bad blower housing seal (it needs replaced) or the control board. There is literally NOTHING else left! I have a spare Duet dryer I am taking and comparing/testing parts from. I'm about to replace the blower housing seal and swap control boards.

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Blower Wheel

The blower wheel works with the drive motor to draw air into the dryer drum. Clumps of lint, socks, and small articles of clothing can escape the lint filter and get caught in the blower wheel. In addition, the blower wheel sleeve can wear out, allowing the blower wheel to wobble on the motor shaft. If the blower wheel is obstructed or defective, the dryer may get too hot. To determine if the blower wheel is working properly, remove the dryer vent and assess the strength of the air flow. If the air flow is weak, check the blower wheel for obstructions. If no obstructions are present, try rotating the blower wheel by hand. If the blower wheel wobbles as it turns, replace it.

Heating Element

The heating element warms the air before the air enters the dryer drum. If the element is partially shorted out, it may produce heat continuously, even if the dryer has reached the proper temperature. When this happens, the dryer gets too hot. To determine if the heating element is at fault, use a multimeter to test each terminal for continuity to the case. If the heating element has continuity to the case, it is shorted out. If the heating element is shorted out, replace it.

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Air flow is good and I just replaced the heating element, along with both thermostats and thermal fuse.

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Joe estará eternamente agradecido.
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