Amana alg866saw gas dryer wont heat up. i took the cover off and i can see the glow stick light up several times but it seems like the gas never flows. i left it unpluged for a week and it worked just fine but only once. Any idea what i should replace? Thank you for your help
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On my gas appliances, either there is a pilot light or the ignitor sparks (like a car spark plug) or glows after the gas valve opens. The ignitor does not heat up.
I've had some gas appliances that have had the valve stick. (On an oven, we tested this by tapping on the valve when the unit should have called for gas. This confirmed that the valve was bad and not the thermostat.)
Hello there: Gas Dryers are very complex and there are several facttors involved here to make it heat Here is a list of possiable solutions for you to look at ok IgniterModern
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 coilsWatch
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 fuseOn
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.)
If the ignitor comes on and after a period of time shuts down, waits, and repeats the cycle, then forget trying to read the coils.
Just replace them. Works 99% of the time.
If the ignitor stays on, and will not shut off at all, then the sensor mounted on the side of the heat tube is bad, and needs replaced. It looks like this.
It's likely one of the coils is opening a break in the coil as the coil heats up. This coil will shrink when cool and be able to run again. In your machine, it appears Amana doesn't sell the coils as a separate item and the whole valve needs to be replaced. The part number is Y504091.
Disconnect power and turn off gas before working on this dryer. Working on gas dryers is not recommended for people who are not professionals.
Service on gas appliances should be undertaken by professionals only due to the danger of gas leakage which can cause fires or death by asphyxiation.
At front, remove 2 screws near floor at the bottom of the lower front panel. Pull bottom of panel toward you and down. The gas valve should now be accessible on the left. Take care not to touch or hit the ignitor or you will be replacing it also. It is VERY brittle.
Sounds like a sticking gas valve or a defective hot surface igniter. Open the broiler drawer or remove the bottom cover in the oven compartment. The oven usually has a hot surface igniter or a spark igniter. Turn on the oven and watch for the hot surface igniter to start glowing. It should glow very bright. Once it is glowing the burner gas should come on. If you hear the gas come on it should light right away. If there is any delay shut off the oven and stay back. Let the gas clear out then inspect the area near the igniter and make sure the burner is not plugged(the little holes may have debris in them). If you turn on the oven and the igniter comes,glows brightly,no gas is heard but you can smell gas it is either a blocked burner orfice/assembly or sticking gas control valve. Try giving the burner and gas control valve a tap and see if it comes on. If you tap the control valve and it starts working then shut of the oven and try it several times. If it starts to come on and off now you may have cleared whatever debris was causing the problem. If it does it again then it could be the control valve or a weak hot surface igniter. The igniter can be tested with a ohm meter. Most of the time when I get this complaint it is the oven control valve that is sticking. Be very careful when doing these procedures....gas can build up in the oven compartment very quicky and flash if ignited. Always have the gas shut off valve at the back of the range within reach and the electrical outlet in case you need to unplug it.
When you say "starter" I assume you are talking about the "ignitor" and it is glowing.If the ignitor stays glowing continuously then the radiant heat sensor, normally closed, is not opening OR if the ignitor lights up than turns off after about 10 seconds but no flame, then the coils (doesn't matter which one of the two) are bad. The coils are located on top of the gas valve and the radiant sensor is located on the side of the burner chute....Good Luck The Squirrel