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I start my dryer, the flame is on but when it start 2nd cycle, only the igniter is on but there's no flame (gaz valvenot open; therefore, there's no heat until it stop. How to fix it?

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  • Dryers Master
  • 5,323 Answers

Gas Dryer no heat: or shuts down soon after heating CHECK:

Thermal Fuse
If the air flow in the dryer is restricted, the temperature in the heating chamber can get hot enough to blow the thermal fuse. If the fuse blows, it cuts power to the coils that control the gas valve. The fuse is usually mounted to the exhaust duct just inside the back panel. You can check its continuity with an ohmmeter. If, after disconnecting the fuse, you get any reading other than 0 when you touch the leads of the meter to its terminals, it has blown. There's no way to restore it -- you'll have to install a replacement.

Igniter and Gas Valve Coils
TEST with a multi meter: The igniter is an electric conductor that works like the element in an electric heater, glowing hot enough to ignite gas when you turn on the dryer. This conductor can burn out, and when it does, it may glow, but it won't get hot enough to ignite the gas. At times it may give a reading of continuity yet fail mechanically and not get hot enough to ignite flame though it gets hot and glows and even may show Ohms or continuity ( close circuit) ?
Occasionally, the Gas safety valve and the electric coils that control the gas valve are defective -- they can wear out when the dryer gets old. When this happens, the igniter glows, but gas never enters the heating chamber or does not stay consistant.
Performing a continuity test on either part will help you determine whether or not you need to replace it. But the coils should also be tested for amount of resistance as well as Ohms. As they may be showing ohms yet not putting out enough resistance to keep proper gas pressure flowing. Most coils should show at least 1300 ohms ( GIVE OR TAKE 150 OHMS). Anything significantly less Thus u get an ignition but then it soon goes back out. The flame does not stay lit.

Air Flow and Heat
The motor that drives the tumbler also drives a fan that circulates air through the heating chamber and the tumbler and expels it through the vent. If the air can't circulate, perhaps because of lint blockage, the heating chamber overheats, which prompts the cycling thermostat to turn off the gas. The thermostat resets when the chamber cools, but the chamber heats up quickly and the thermostat again shuts off the gas. The result is that the temperature in the tumbler doesn't stay hot, and your clothes take longer to dry, if they get dry at all.

Warning
There's a big difference between a dryer that doesn't heat up at all and one that just doesn't get hot enough to dry your clothes. In the first instance, the problem is usually a defective part, and things should be back to normal after you replace it. In the second instance, the problem is caused by restricted air flow, and you need to clear the lint filter and vents and take steps to prevent lint build-up. If you don't, you'll use more energy for drying than you need and the dryer may continue to malfunction. Worse, you may have a dryer fire.

Posted on Apr 13, 2015

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Posted on Jan 02, 2017

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jsrock516
  • 5911 Answers

SOURCE: After a few heating cycles the burner does not ignite

The problem you are describing is usually associated with a bad gas valve coil. The dryer runs normally until it gets hot, then starts making a strange clicking noise. After it cools down, the dryer runs normally again. The gas valve coils (there are two of them) usually run about $20 a piece. I recommend replacing both of them at the same time just to be sure. I hope this helps.

Posted on Apr 29, 2007

  • 1 Answer

SOURCE: Intermitten Heat up

I would like to thank the ones who responded to giving me a 'hand' in repairing my dryer. I did like you said & changed out the coils & now the dryer is working like it should.

Posted on Apr 12, 2008

docjohn174
  • 943 Answers

SOURCE: Maytag Neptune MDG300aww Gas Dryer Heats On and Off

hI YES THE COILS IS WHAT YOU HAVE TO CHANGE thANKS FOR THE QUESTION tHE APPLIANCS DOC

Posted on Sep 12, 2008

  • 1028 Answers

SOURCE: Kenmore gas dryer not heating up

ck/replace the 2 black coils on valve they will sometimes fail after 1st start up slight chance it may be flame sensor mounted on side of burner to ck remove the 2 wires and short together temporaily if flame stays on and reignites ckd vent system first bad flame may cause sensor to shut it off if flame/vent ok replace sensor

Posted on Nov 27, 2008

aborcass
  • 2651 Answers

SOURCE: Maytag gas dryer model # SDG305DAWW

replace the coils atop the burner assy itself, part number 279834..

Posted on Dec 21, 2008

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