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Author Topic: Furnace/Heat won't shut off.  (Read 13556 times)

loneryder

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Re: Furnace/Heat won't shut off.
« Reply #15 on: February 07, 2013, 08:23:22 PM »
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Scott7m

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Re: Furnace/Heat won't shut off.
« Reply #16 on: February 07, 2013, 08:31:53 PM »
Unhooking wires from zone valve wouldn't shut the fan off, there is something shorted out and sending power to the zone valve and fan

Remove the green wire from the thermostat and see what happens
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loneryder

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Re: Furnace/Heat won't shut off.
« Reply #17 on: February 07, 2013, 08:53:31 PM »
Quote from: Scott7m on February 07, 2013, 08:31:53 PM
Unhooking wires from zone valve wouldn't shut the fan off, there is something shorted out and sending power to the zone valve and fan

Remove the green wire from the thermostat and see what happens
I removed the green wire from the G terminal on the tstat and it's still running?????
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RSI

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Re: Furnace/Heat won't shut off.
« Reply #18 on: February 07, 2013, 08:54:23 PM »
Try at the furnace end. If it is a short it could be after the thermostat.
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Scott7m

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Re: Furnace/Heat won't shut off.
« Reply #19 on: February 07, 2013, 09:01:07 PM »
Gettin closer, hope this tells him something

If it thinks the heat strips are on it may not shut down for a minute or two later
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Dealer for:  Heatmaster, Empyre, Earth, Ridgewood, and Woodmaster outdoor furnaces
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loneryder

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Re: Furnace/Heat won't shut off.
« Reply #20 on: February 07, 2013, 09:38:25 PM »
Quote from: Scott7m on February 07, 2013, 09:01:07 PM
Gettin closer, hope this tells him something

If it thinks the heat strips are on it may not shut down for a minute or two later

No strips aren't on.  Where is the G wire in the furnace? I had the front panel off and didn't see anything obvious.  The tstat wires seem to be connected to a lot of wires with wire nuts.
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loneryder

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Re: Furnace/Heat won't shut off.
« Reply #21 on: February 07, 2013, 09:49:28 PM »
I'm at a loss.  Hopefully I can get someone out tomorrow to look at it.  All the weird unexplainable crap happens to me. 
Thanks for everyone's help.
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loneryder

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Re: Furnace/Heat won't shut off.
« Reply #22 on: February 08, 2013, 08:43:33 AM »
OK so I talk to my owb dealer and he suggested tapping on all the relays.  The big one is the fan delay relay and 2 smallerr ones the installer put in.  Fan started cycling normally.  I've located a new fan relay for $15 so will install that and see if it stays working.  Dealer said once they get hung up like that, they will usually go bad.  It must have been a coincidence that it happened when I opened that zone valve.  crap like that always happens to me so why can't I win the lottery?? :)
Thanks for everyones suggestions.
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