Whirlpool lgn2000jqo gas dryer won't stay lit

Whirlpool Gas Oven Will Not Stay Lit - Appliance Repair Forum

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Jun 20, 2012 - 2 posts - ‎1 author
My Whirlpool gas oven will light but not stay lit. It has a glow plug igniter that heats up enough to allow the gas valve to open. Once the burner ... oven lights, but does not remain lit
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Feb 19, 2013
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temp sensor is dirty, or bad, or the exhaust tube is clogged causing excessive heat build up shutting the dryer down

one of 3 issues,1st-the high limit or cycling thermostat could be weak and opening 2nd-the radient sensor eye can be bad or dirty,try cleaning first,both of these are on the burner tube side, 3rd-the gas valve boost and secondary coils could be weak and not holding the gas valve open to let the gas flow,these coils are on the gas valve top body

It sounds like your solenoid coil(s) might be no good. Easy fix and not very expensive.

Hi, If you have a gas dryer.
The most common problem with a gas and no heat is the ignitor going bad...

Here is a tip that I wrote about that problem...

Gas Dryer not Working Gas Dryer Not Heating
http://www.fixya.com/support/r4398592-gas_dryer_not_working_gas_dryer_not

If your dryer is electric..
There could be a number of different problems...
Check out this tip that I wrote about this problem...

Dryer Troubleshooting Electric Dryer won t Heat
http://www.fixya.com/support/r3866345-dryer_troubleshooting_electric_dryer_won

heatman101

If you find that the dryer initially lights, then goes out and the igniter coil glows, then also goes out, it's the valve solenoid coil, about $25.

There is a temperature limit switch as well. This usually either fails entirely (no heat at all) or operates the burner out of the normal range (often showing up as clothes taking too long to dry).

A clogged dryer vent will cause problems with heat cycling, too.

Light sensors detect when burners are lit. If they become blocked with lint, dust, etc., they will not detect the flame and, for safety purposes, automatically shut off the gas flow.

Dust and lint are a dryer's worst enemy. Be sure that all sensing devices (particularly optical sensors) are clear of dust and lint so that light can pass unobstructed into the lens.

If they sensors are all clean, they might be defective. Something is erroneously telling your dryer's control that the burners are not lit and thus the gas supply is shut down.

This sounds like the flame sensor is bad to me.

If it does not work properly, the unit will shut off for safety. The machine assumes that the burner did not light and rather than run gas into your house, it shuts off. It may try to start a certain number of times and then shut off.

You may be able to remove and clean it (flame sensor) lightly with a scotch brite pad and it may work properly again.

Otherwise it will need replacement.

This is a very common problem and the part is probably in stock.

Post a comment on your progress as this solution is likely to be useful to many people.

Thanks,

Tim

The problem is not the gas valve.

The heat is regulated with a Klixon mounted next to the blower housing near the vent pipe so it can judge the temperature of the air coming out of the drum.Right next to it is a melting type fuse. If the dryer runs and gets too hot the fuse will melt.But the dryer will still run. So if the fuse is good(continuity) and the dryer control(cycle) thermostat is also good then you should have power going to the gas valve assembly when the machine is running unless the timer is in the no heat or wrinkle free/cool down mode. When the gas valve assembly is energized the flame sensor mounted outside the burner chamber detects the heat from the ignitor. When the heat is very intense then the sensor shuts down the ignitor and that frees up the power so that the coils can be fully energised and open the gas gates. The gas comes out and hits the red hot ignitor and you have ignition. It stays on for maybe 2 or 3 minutes or until the control thermostat is satisfied and shuts down power to the gas valve assembly.
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