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Maytag Neptune MDG3000AWW Gas Dryer - intermittent ignition


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4 replies to this topic

#1 calon

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Posted 21 November 2005 - 05:47 AM

Hi,

I have a Maytag Neptune Gas Dryer, model MDG3000AWW.

Here's the problem - the heat is intermittent. I pulled the vent off, getting strong airflow, sometimes hot, sometimes not.

I pulled the front panel, and watched the ignition process.

The ignitor glows, sometimes the gas ignites, sometimes it doesn't. Sometimes when it lights, it stays on for a while, sometimes just a few seconds.

The flame is blue when lit.

Occassionally there is a slight smell of gas.

Can you help?

Thanks!

Cary

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#2 calon

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Posted 21 November 2005 - 06:57 AM

I checked the continuity on the igniter and gas valve coils - they are OK.

Any ideas?

Thanks!

Cary

#3 ebanator

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Posted 21 November 2005 - 10:25 AM

hey there,

your issue may be related to the glow bar ignitor. As the glow bar heats, the resistance decreases allowing more current to go to the valve coils. if the glow bar has a "hot spot" it may just barely be getting enough juice to energize the coils. You may also be getting a sticky valve. either way, i would exercise caution as it is gas and if it goes wrong....well we know what could happen there. inspect the glow bar as it energizes to see if it heats evenly or if you are getting a small spot of intense heat.


#4 Samurai Appliance Repair Man

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Posted 21 November 2005 - 07:12 PM

[user=4626]calon[/user] wrote:

I checked the continuity on the igniter and gas valve coils - they are OK.

Solenoids are electromechanical devices, so they can fail electrically or mechanically. The valves can test good for resistance yet still fail to hold due to failure related to overheating. The symptoms you describe are classic for fatigued valve coils.

Replace the valve coils.

#5 calon

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Posted 22 November 2005 - 03:52 AM

Thank you for your response and advice. You nailed it! The gas solenoid valves were weak.

I replaced them and the dryer works perfectly again.

I apologize for not buying them from your sister site, but a friend of a friend runs a repair service, and had them in stock. (He also said the solenoids were bad...)

This enabled me to remove my wife from my back more quickly, or at least to get her on to the next nag. :-)

I will purchase from you guys in the future...

Thanks again!

Cary




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