Update on clothes dryer not drying

RayP(MI)

Well-known Member
Well, tore front and back covers off. Vacuumed a BUNCH of lint out of it, especially around thermostats in back. (By the way, lint is a fire hazard. Take the time to clean yours before a tragedy happens.) Took my infared thermometer and checked various spots while drying a load. Everything seemed OK. Talked to wife at length. Seems thanks to a new oversized washer, she was overloading dryer. Advised her to down size her loads, that she would get cleaner clothes, and dry ones too!
 
About once a year I pull ours from the wall and use the electric leaf blower and blow the lint out of the hose (after using a vacuum to get what I can). Drying time gets slow when it's restricted.
 
How long did you let it run while you were testing? A bad control valve coil will appear to be working OK at first; you have to run for a few minutes before it will quit and cool down.
 
What brand is your dryer? By design I think some are a bigger fire hazard than others. Some seem to send more lint out the vent, choking the vent.
 

Operators tend to underload commercial WASHERS, but rule of thumb for commercial/industrial is to pack it full, but split each washer load between two dryers. Domestic washers like commercial ones are killed by small loads. They have a hard time to balance a small load so the main bearing and seal take a beating. Tell her to put a good load in the washer but split it in the dryer.
 
A bad coil can be difficult to detect, particularly in a lightly-loaded dryer. The burner will cycle and clothes will eventually get dry. Monitoring the voltage at the temp switch will show if the switch is still closed when the burner cuts off.
 

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