Question about Dryers
Unit works fine but no heat
SOURCE: replacing Kenmore dryer parts
that one is old enough to vote..if filter on top remove back find small hole on right just below top may be hidden by pasted on tech sheet..through hole insert long socket 5/16 or reach up from underneath with short ratchet and socket remove screws and attached wires lift element housing up slightly and pull bottom of housing out and down..5/16 screw on backside holdes element in
Posted on Jun 19, 2008
Gas dryers utilize a gas valve, ignitor assembly, and a series of coils mounted on the gas valve to provide heat and safety. The gas valve coils are the usual suspect when it comes to a "No Heat" complaint. I have provided a checklist from www.repairclinic.com, for your convenience. They also provide disassembnly diagrams and repair parts.
Firstly, ascertain that you have made an adequate "Heat" selection, then read on:
Warning! To avoid personal injury or even death, always disconnect your appliance from its power source--that is, unplug it or break the connection at the circuit breaker or fuse box--before you do any troubleshooting or repair work on your appliance. Also, because some components may have sharp edges, use caution while working on your appliance.
If your dryer doesn't heat, check these:
Gas valve coils
Igniter Modern gas dryers use an electric igniter to ignite the gas from the gas valve. When it's working properly, the igniter glows bright orange. When it burns out, the dryer tumbles but there's no heat because the gas can't ignite. When the igniter burns out, you need to replace it. If the igniter is held by a tension bracket, you very well may need to replace the bracket too.
The igniter is inside the dryer housing, near the bottom front, usually in a cone-shaped metal tube (the force cone). It's about 2 inches long. It's mounted to the far end of the burner tube, and it has two wires attached to it--or to the tension bracket, if there is one.
Gas valve coils Watch the igniter. Does it glow bright orange, then shut off without igniting the gas? (When the gas ignites there's a large blue flame.) If so, there may be defective coils on the gas valve. Mounted on the top of modern gas valves, there are black electrical coils. The coils, when energized, open the gas valve. If one or more of the coils are defective, the valve doesn't open and the gas cannot ignite. Because it's often difficult to properly test the coils, it's usually best to replace both (all) of them at the same time.
Thermal fuse On many dryers, there's a thermal fuse (a heat-sensitive fuse that blows if the dryer overheats) mounted to the exhaust duct inside the back cover panel. The fuse is about an inch long. It's usually embedded in black resin and mounted in a white plastic housing.
If the fuse has blown, it has no continuity. When this happens, your dryer either just stops heating, or it doesn't work at all. Be sure to inspect the venting/heating system before replacing the fuse to put the dryer back into operation. (You can't re-set this type of fuse.)
Posted on Jul 08, 2009
The thermal cut-off , which is the small t-stat looking piece located at the top of the element housing ( on vertical mount elements ) or the far front of the element housing ( on horizontal mount elements ) , is usually the cause for no heat .
Posted on Aug 02, 2010
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