Gas dryer gets hot for a few minutes then goes cold.

It may be your dryer vent piping. If the piping from the dryer to the outside of the house is clogged with lint (which happens periodically) the dryer cannot get rid of the heat generated by the gas burner. When the temperature reaches a certain level the high limit switch opens and shuts the burner off. The switch closes again after the dryer cools down. Check the lint filter and all the vent piping for any obstructions and clean out thoroughly. This should solve your problem. Hope this helps.

Replace the 2 gas valve coils, check the link below to have an idea of how they look like.

Maytag Dryer Gas Valve Ignition Solenoid Coil Kit 279834

Must be something in the blower section. You need to get into the dryer and clean it up. Air restrictions cause overheat condition. When the temp gets so high the limits shut it down. Lots of videos on you tube that show how to get into. You can google gas dryer dan webster or roper dryer no heat dan webster and I have some videos posted how to get into these.

If you need further help, reach me via phone at https://www.6ya.com/expert/dan_73bbd84fe1d95b61

What is "look Warm"

Hi, If you are having problems with your gas dryer not heatingthe most common problem is that the ignitor goes bad. Even though it glowssometimes it is still not working properly. if you dryer is gas check out this gas no heat tip.... If you have an electric dryer, you can have many differentthings that can go wrong causing the dryer not to heat. check outthis electric no heat tip...

heatman101][][

Hi, If you are having problems with your gas dryer not heatingthe most common problem is that the ignitor goes bad. Even though it glowssometimes it is still not working properly. if you dryer is gas check out this gas no heat tip.... If you have an electric dryer, you can have many differentthings that can go wrong causing the dryer not to heat. check outthis electric no heat tip...

heatman101-=-
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Hi, very common problem.

The problem is with the gas coils.
When they get weak, they only come on for about 10 minutes and then the machine will blow cold air. There are 2 of them with one being the booster coil. They come in a pair and run less than $20.

Best of luck. Please e-mail me if you have any other questions.

Very common change the gas valve coils and you are good to go easy repair i can ship them to you free and tell you how to do it in no time... call me whirlpoolpartssurplus.com

Is this a gas or electric? model number please

If dryer lights for a few minutes and will not stay lit, I believe the solenoid coils will need to be replaced. Click on link below, enter your model number lgr5620kq1 in model search feature and go to the dryer page it shows a breakdown view of your dryer. Also go to common solutions and look for gas dryer problems. I will also be here to help you, Sea Breeze

http://servicepartstec.blogspot.com/