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Old 11-30-2011, 06:59 PM   #16
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My furnace died


Got it. Damn small lettering.

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Old 12-01-2011, 08:37 AM   #17
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My furnace died


Thanks for your help,
No there is no capacitor on it at all.
Am eager to try to test the motor.
I do have a meter, should I test the motor leads first?

Also, what about this gas valve thing?
Thanks,
Al

PS- there is a write-up on the unpredictability of Smart Valves here:
Comfortmaker furnace won't fire
But maybe it would be wiser to wait to hear from you guys as to how to test the inducer.

Last edited by BobPike; 12-01-2011 at 09:06 AM.
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Old 12-01-2011, 08:19 PM   #18
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My furnace died


Still eager for more advice, and I do appreciate the advice I've gotten.
So, how do I test the inducer motor?
What else can I do to see why it wont start?
Thanks!
BobPike
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Old 12-01-2011, 08:42 PM   #19
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My furnace died


Turn the breaker to the furnace off.
Use the incoming power to the furnace connected directly to the inducer, bypassing all gas valves and control boards.

Make sure you know where the inducer wires are connected to FIRST so you can put them back. Also, there should be terminal ends on those two inducer wires, wherever they plug into with the use of said terminals. You are going to have to cut those terminals off but leave a few inches of wire attached to those terminals so you can wire nut the original terminals back to there respective origin (wires), so you can then plug it back.

If you have plenty of slack in those wires than just cut the terminals off and strip 'em back and wire nut them to the main incoming fiurnace power wires and turn the breaker or switch back on. When you turn the power on, the inducer should start. If it does not, the inducer is shot.

You might need to make a trip to The Home Depot and buy a few spade terminals to put back on the newly stripped back inducer wires, and a good crimper to attached them.

or you can have the tech you call out to change the smart valve out, if the inducer comes on when the valves and board is bypassed so inducer is proven good, do it.

If the inducer comes on this way and the smart valve, as Marty has said, is what tells it to come on and you have no capacitor (which possibly could've gone bad) on that inducer motor than the only other thing it can be is the gas valve, the Honeywell Smart Valve which is bad..

This is all teching without a meter, btw.

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