Question about Whirlpool LGB6300 Gas Dryer

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My dryer will light at 1st but won't stay lit long. Will not light again after the initial lighting. I replaced the ignitor already

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Hi Phillip. You are half way there by changing the ignitor. If a gas dryer burner lights and then rapidly goes out is it usually either a flame sensor. moisture sensor or high limit thermostat. I note you only get ONE light and it no longer lights.

Heater assembly or burner shuts off prematurely.
1. Improper or inadequate exhaust system.
1. Weather hood flapper maybe restricted.
1. See “Installation Instructions” for exhaust requirements.
Insufficient gas supply.
1. Verify gas shut-off valve is not partially open or closed.
1 Verify proper gas pressure is being supplied to unit.
(Dryer not properly equipped for type of gas
1 Verify gas type.
1 Refer to “Gas Burner Conversion Procedures”.
Improperly adjusted burner flame.
1 Properly adjust burner flame.

2. Limit thermostat cycling off. · Test limit thermostat and replace if failed.
3. Flame sensor contacts failed in closed position.
· Test flame sensor and replace if failed.
· Verify proper gas pressure is being supplied to unit.

4. Failed timer. · Test timer and replace if failed.
5. Failed electronic control. · Test electronic control and replace if failed.
6. Failed moisture sensing control. · Test moisture sensing control and replace if failed.
7. Broken, loose or incorrect wiring. · Refer to appropriate wiring diagram for correct wiring.

I still think we are dealing with a flame sensor, high limit thermostat or moisture sensor problem.
Things to check:

Check 1 The moisture sensor is inside the dryer on the left side of the access. Make sure it is clean and that there are NO metal objects in around or near it. Some times things like straight pins.. paper clips.. staples.. bobby pins et all make their way on to and around moisture sensors.

After that check out the flame sensor on the side of the ducting:
It should NOT read open. If it does or has a really high resistance it can be the culprit.

Then you will need to test the gas valve solenoids there are 2 different types. 3 pin and 2 pin

If found bad they are replaced as a set:

There is still the thermistor and or the high limit thermostat depending on model.

Thanks for choosing FixYa.


Posted on Aug 31, 2010


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