Weathermaker 8000 Ignitor wonít glow


Old 09-19-19, 09:47 AM
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Weathermaker 8000 Ignitor wonít glow

First off thanks to anyone that can help. Iím a real
rookie here. Went to fire up the furnace last week and we had no heat. Did some googling and basic troubleshooting and realized the ignitor was not glowing when it should. The furnace goes through the proper cycles but when the call for ignition happens there is nothing. The furnace then repeats 3 times and goes into ignition lockout. I could smell gas so I knew it was not a gas issue. Things I have done :
1) replaced both the ignitor and flame sensor
2) verified the switches are operating and lockouts are not happening
3) verified 120v ( it was around 114v) was going to the ignitor at call for ignition with my multimeter
4) verified voltage was sensed on the flame sensor
5) measured resistance of ignitor and it fell between 4-6 ohms.

my only thoughts are possibly the lead from the board is not constant but when I tested it the voltage remained solid. If the wire sees the voltage I am stumped as to why the ignitor would not glow. I got the ignitor from a parts store that matched it to mine, looked identical to the one I had.

Short of calling a tech tech I am stumped!

Thank you!
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Old 09-19-19, 10:56 AM
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If you are getting current at the connector for the ignitor and the ignitor is not glowing then I'd say you have a bad ignitor. Everything else you mentioned like the board is upstream so if they weren't working you wouldn't get power and the ignitor's connector.
Old 09-19-19, 11:46 AM
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Welcome to the forums.

Like said..... if you are getting voltage to the igniter and it's not heating. The trouble is there.
I have found problems in the igniter connector and have cut them off and wire nutted the wires.
Old 09-19-19, 03:24 PM
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I will return it and get another. That was my thought also since everything else is downstream.


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