Gas dryer will not ignite


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Old 07-01-03, 09:48 AM
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Gas dryer will not ignite

Whirlpool Model LGR3624BWZ (1995)

Gas line open. Electrical working. Machine turns on. Drum spins. Ceramic igniter seems to be ok. Could it be a bad igniter even though it looks ok? Am I overlooking a fuse or some safety device?

Your help will be appreciated. Dziekuje. (Polish for thank you.)
 
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Old 07-01-03, 10:09 AM
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Hello: Ed

The problem could be caused by any one of several possibilities. Suggestion would be to read the already asked questions in this forum that pertain to dryers, especially those that do not heat.

In doing so you can obtain much more information very quickly and begin working on the problem.

Ignitors are one of the very first items to suspect. They must glow a very intense bright yellow orange color in order to provide enough heat to open the gas valve and also ignite the gas.

Other possibilities:

Defective Solenoids:
There are two...both are on top of the gas valve.
Solenoids also supply voltage to the glow coil and are part of the electrical loop. All terminals on both solenoids must have continuity. If not, you'll need to remove them from the top of the gas valve by removing the entire gas valve assembly first.

Defective Gas Valve:
Remove entire unit as an assembly. Take the entire assembly to your local appliance parts store for testing. Gas valves are not repairable. Replacement is the only option if defective.

CAUTION: Do Not attempt to repair the gas valve! This is a non repairable item!

Flame Sensor:
This part is located on the burner housing. If it's defective, it will cause the glow coil to not function or cause the problem your discribing. You can test this part with a continuity tester or an ohm meter.

However, do not rely on the continuity test to prove the part is functioning correctly. The only proof positive method to be sure the part is functioning correctly, is to carefully remove the part and have the local appliance parts store person do the testing.

Safety Reminder:
ALWAYS be positive you have unplugged the electrical power and turned off the gas supply to the appliance prior to attempting any repairs!

Regards & Good Luck. TCB4U2B2B.....Company Enterprises
Doityourself Web Site Host & Gas Appliances Forum Moderator. Energy Conservation Consultant & Natural Gas Appliance Diagnostics Technician.
 
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Old 07-02-03, 11:23 AM
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Sharp Advice, et. al.

Thanks for the tips. After ripping it apart and testing the glow coil, solenoids, bench testing, etc. ....... wouldn't you know it would come down to the last part tested?

The problem was a bad flame sensor.

I didn't know whether or not this part had continuity or developed continuity via flame sensing. Now I know it does have continuity.

On another topic: Is this the proper conduit to respond and say thank you or is there another way?
 
 

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