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-   -   Gas Dryer not heating---am I doing this right? (http://forum.appliancepartspros.com/dryer-repair/24061-gas-dryer-not-heating-am-i-doing-right.html)

sparksaz 02-19-2009 04:57 PM

Gas Dryer not heating---am I doing this right?
 
OK I think I am doing this right but I am not an electrician or an appliance guy. I went through other posts on here and got out my Ohm meter and here are my numbers with wires unplugged when measuring.

Coil with two terminals: 1201 Ohms
Coil with three terminals: Left and Middle prongs are 1351 Ohms, Outer prongs are 561 Ohms, right and middle prongs are 1910 Ohms.
Thermal Fuse: Open on meter
Cycling Thermostat: Beeps
Ignitor: 780 Ohms
Flame Sensor: Beeps

Now I understand that the Thermal fuse should not be open so I believe this is the culprit. After reading "Gene's" information he gave on other topics I think I am on the right track but before I order up parts my questions are:
1) Am I reading this all right and
2) Would it be necessary to replace say the ignitor just for grins since the unit is over 10 years old.

I guess ultimately I don't know if my Ohm numbers are "good" numbers or understand how this thermal fuse thingy can make the whole heating assembly not work. I just want some assurance I am on the right track from someone out there that knows.

Thanks

TechnicianBrian 02-19-2009 05:42 PM

You did good work and if those readings are accurate, then the thermal fuse is the problem and needs to be replaced. The fuse is a safety device that opens the heater circuit in the event of an over temp condition. So besides replacing the fuse, check your vent to the outside for anything that would restrict airflow, and ensure the connection at the back of the dryer is not folded over or kinked in any way. As for replacing parts for grins, it's up to you, but if it's been working well, I think I would wait. You already know how to take it apart and where to get the parts. Hope this helps.

sparksaz 02-20-2009 06:19 PM

Thanks for the reply. I realized after I posted it that it was a VERY common topic. I apologize for the redundancy.

I went out today and bought a new part, dryer works great. All it took was a couple hours to diagnose and $6 and back in business. I wonder how many people go out and buy new dryers when all it takes is a bit of time and money to find the problem. The internet is a great tool, sorry dryer repair man.

TechnicianBrian 02-20-2009 06:44 PM

Glad I could help. These are the kinds of repairs that are perfect for the DIY'er.


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