SOURCE: no heat
You may have a weak igniter. Just because the igniter glows, does not mean it is working properly. The glow bar type igniters are supposed to draw a certain amount of current in order for the gas valve to open. If the current potential is never met, the gas valve will not open. This is a safety feature used to prevent gas flow without ignition. The current readings for the igniters are as follows: Round style glow bar: 2.7 to 3.2 amps Square style glow bar: 3.2 to 3.7 amps If it is reading less than the required amperage, replace it. This may just solve your problem. Let me know if this helps you.
SOURCE: Kenmore HD gas dryer won't heat up
i am sending you all the possibilities for your problem, check either of these causes ----and than let me know if it is solved----
Power from the house
Check to see whether there's power getting to the dryer. Is it plugged in? Check for blown fuses or tripped circuit breakers--your dryer uses two fuses or circuit breakers. The dryer could tumble but not heat if only one of the two fuses is blown. If you have circuit breakers, one of the two circuit breakers can trip, even if the two for the dryer are connected.
Heating element
Often a dryer heating element burns out, but doesn't trip the circuit breaker or blow a fuse. The heating element is simply a long coil of special wire. You can check it for continuity with an ohm meter. No continuity means the element is bad and you need to replace it--electric heating elements aren't repairable.
Thermal fuse
On many dryers, there's a thermal fuse mounted to the exhaust duct inside the back cover panel. The fuse--which is about an inch long--is usually embedded in black resin and mounted in a white plastic housing. If the fuse has blown, you need to replace it. (You can't re-set it.)
Wiring
A common problem is for the main wiring connection from the house, at the dryer, to burn and break its connection. Because the dryer can still tumble with partial power, the connection may be only partially defective. You may need to replace both the power cord to the dryer and the terminal block inside the dryer that the wire is attached to.
SOURCE: Gas Dryer quit heating today
Just click below;
If your dryer doesn't heat, check these:
Igniter
Gas valve coils
Thermal fuse
Hope it may help you;
Regards;
VOTIT
SOURCE: DLG0332W gas dryer will not heat up while running.
There is a flame sensor in the Gas tube that has probably failed... or out of adjustment.
It acts as a thermocouple - that sends voltage to the gas valve solenoid. If the voltage (converted from the flames heat) is not present - the gas valve closes.
CLICK HERE for a link to your service manual.
M240 on page #35
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SOURCE: Gas dryer initially heats then heating stops
Hi,
There can be many reasons why your dryer will not start or turn...
The most common causes are the belt breaking or jumping off, or the motor going bad...
Here are a couple of tips that I wrote will help you to figure out why your dryer will not run...
Dryer Repair - The Dryer is not Turning
Dryer Repair - The dryer will not start
heatman101
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