I need someone to clear me up on some functions on most dryers please.
1 Thermal fuse… Blows if the???
2 Over heat Switch. Just as stated. Blows if air flow is obscure temp spike.
3 The Temperature control. The 4 prong switch that monitors temprature. 2 prongs for sensor and 2 prongs for control?
4 The switch at the element that has 2 prongs 1 to complete circuit another prong for? Then L2 straight in to the element….. Thanks….
- Guest asked 9 years ago
Hi. 1. the thermal fuse will blow when the dryer overheats. Restricted air flow, clogged venting, bad blower wheel, or and element that is shorted out will cause this fuse to blow. There is also a hi limit t-stat that will cycle heat on and of if the cycling t-stat fails or there is restricted air flow.
2. Not sure which component you are referring to the overheat switch. There is a Hi limit t-stat that mounts on the element duct. This serves the same purpose as the thermal fuse. Only for the element instead of air flow. Restricted air flow as well as a shorted element will cause this to blow.
3. The 4 wire cycling t-stat monitors temperature. The 2 small purple wires are used during auto heat settings and the 2 larger wires during the timed dry. The 2 large terminals are the bi metal part of the t-stat. It will open when temperature is reached and close when temperature decreases to maintain a proper temp. These almost never fail.
4. The hi limit fuse that piggy backs off of one side of the element is another fuse that can go back. another safety device. Usually never go bad.
- Brian, Ace Appliance answered 9 years ago
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