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Old 10-15-2011, 05:31 PM   #61
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Inducer Fan Not Turning On


I will let you know for sure. I'm pretty sure it's not the inducer because anytime power is sent to it, it comes on. I'm pretty sure it's not the controller board because I swapped it with a new one and that did the same thing. I'm pretty sure the pressure switch is toast since I sucked on it pretty hard but that was after I started having this issue. I'm thinking it's the Honeywell Smart Valve because:

1. The board is getting power and the relay clicks like it's supposed to.
2. The board is sending out power on the inducer line (I think).
3. This wire goes into the Smart Valve which then sends it out to the inducer and also has a line going to the pressure switch.
4. There is no power going from the Smart Valve to the inducer unless the pressure switch opens, either with my mouth or by other means.

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Old 10-16-2011, 01:15 AM   #62
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Inducer Fan Not Turning On


It sounds like the pressure switch is it.
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Old 10-16-2011, 08:35 AM   #63
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Inducer Fan Not Turning On


Pressure switch proves the the inducer is running not the other way around. Sounds like a smartvalve problem to me.
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Old 10-18-2011, 12:18 PM   #64
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Inducer Fan Not Turning On


It was the pressure switch. The guys replaced it and it works fine now.

Service call: $130
Pressure switch: $150

Thanks everyone.
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Old 10-18-2011, 12:38 PM   #65
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Inducer Fan Not Turning On


strange how you could not identify the problem even after we talk about the test procedure.....I was very curious about this issue
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Old 10-18-2011, 12:45 PM   #66
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Inducer Fan Not Turning On


Quote:
Originally Posted by Deemar View Post
It was the pressure switch. The guys replaced it and it works fine now.

Service call: $130
Pressure switch: $150

Thanks everyone.

Glad to hear you got it fixed. Thanks for letting us know.
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Old 10-19-2011, 03:15 AM   #67
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Inducer Fan Not Turning On


It was working great so I paid the guys and they left and I turned it off again because it was kind of warm here all day. I'm going to bed and wanted to be warm when I woke up so I tried turning it on........no dice. It's doing the exact same thing again. They didn't fix anything, I'll have to get them back out here again.
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Old 10-19-2011, 06:18 PM   #68
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Inducer Fan Not Turning On


Okay, who wants an update?

The guy took a look at it and determined the old control board was toast and the new one is not compatible with my furnace. So I pulled out the manual for the control board and showed him how this new board is a direct replacement for the old board. Great.

So he kept working and told me it is likely the Smart Valve that is gone but without knowing if the control board is for sure compatible, he can't troubleshoot. I have to call the furnace company and ask them if it's compatible. No, I asked him to determine for me if the problem is from the board or from the Smart Valve.

So he kept working. He tells me because there is power coming from the control board to the Smart Valve but no power going from the Smart Valve to the inducer motor, the Smart Valve has to be gone. There's no way the inducer motor can turn on without power going to it, the board inside the Smart Valve must be gone. So he tried to bill me $130 for the service call since the previous issue was the pressure switch and the new issue is the Smart Valve. No, now I'm thinking my old pressure switch is still fine and it was the Smart Valve the whole time.

I mentioned to him if you blow into the pressure switch, everything comes on. He tells me this is impossible, he owns a furnace company and has never seen that (he's an older guy), it's not possible for the inducer to come on with no power going to it. So I showed him the video I took which I posted here and he was amazed, never seen anything like that.

So he kept working. He blew into the pressure switch, nothing happened. He blew and sucked, nothing happened. He blew and sucked really quickly and everything turned on, he was blown away that was actually possible, he had no idea why. Neither of us could make sense of it but he said he's 90% sure it must be the Smart Valve because that's the only thing wired to the pressure switch and the inducer motor.

He said it's close to $1000 for a new Smart Valve and he'll take off the $150 I paid for the pressure switch and he won't charge me for this service call.

Sound right?
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Old 10-19-2011, 07:06 PM   #69
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Inducer Fan Not Turning On


Sounds dyslexic.

I like the fact that he's going to deduct the cost of the switch, that sounds right.
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Old 10-19-2011, 07:20 PM   #70
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Might want to shop around a bit. We're not cheap and a smart valve is about $300 installed. The valve and a manometer to set the gas pressure will run you around $150 with DIY labor.
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Old 10-19-2011, 08:21 PM   #71
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"he said he's 90% sure it must be the Smart Valve because that's the only thing wired to the pressure switch and the inducer motor."

I think smart valve controls igniter and flame sensor .... I haven't seen smart valve controls pressure switch and inducer yet........ What does the controller board control then?

Could you post the smart valve model#?
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Old 10-19-2011, 09:20 PM   #72
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Inducer Fan Not Turning On


Smart valves power the inducer too JJ.
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Old 10-19-2011, 10:18 PM   #73
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Inducer Fan Not Turning On


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Originally Posted by Marty S. View Post
Smart valves power the inducer too JJ.
Cool, thanks
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Old 10-20-2011, 03:41 PM   #74
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Inducer Fan Not Turning On


I need to call the manufacturer for my furnace to describe the symptoms and ask them if it can be the Smart Valve. Who do I call for a Ultra V Tech 80 furnace?
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Old 10-20-2011, 07:38 PM   #75
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Inducer Fan Not Turning On


Quote:
Originally Posted by Deemar View Post
I need to call the manufacturer for my furnace to describe the symptoms and ask them if it can be the Smart Valve. Who do I call for a Ultra V Tech 80 furnace?
Ultra V tech 80 is not a brand. Might be armstrong but I'm not sure. If they take your call have the complete model and serial number handy. Honeywell made the gas valve, write down that model number too.

The on site tech already confirmed a call for heat and the valve was not sending power to the inducer right? Replace the valve already and get some heat on.

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