Reznor Ft75 Garage Heater Wont Ignite Flashes 3 Times - HVAC - DIY Chatroom Home Improvement Forum


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Old 12-29-2012, 03:29 PM   #1
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Reznor ft75 garage heater wont ignite flashes 3 times


My Reznor ft75 wont fire up.It does not have a pilot light. It has a code that flashes 3 times.I tried jumping that part with no success. I know most of these have reset buttons,but i can not find it. It has been working great for years! Any ideas?

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Old 12-29-2012, 03:50 PM   #2
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Reznor ft75 garage heater wont ignite flashes 3 times


the flashing lights are supposed to be a aproblem in the pressure switch,jumped it and it made no difference.

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Old 12-29-2012, 05:21 PM   #3
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Reznor ft75 garage heater wont ignite flashes 3 times


Any birds nest in venting?
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Old 12-30-2012, 10:22 AM   #4
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Reznor ft75 garage heater wont ignite flashes 3 times


Port on draft motor maybe plug if flute pipe is clear.
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Old 12-30-2012, 10:26 AM   #5
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Reznor ft75 garage heater wont ignite flashes 3 times


Quote:
Originally Posted by J GLASGO View Post
the flashing lights are supposed to be a aproblem in the pressure switch,jumped it and it made no difference.
No its not suppose to be a problem in the pressure switch. It means there is a problem establishing proper draft through the furnace.

As said earlier, check the flue pipe, pressure hoses and ports for obstructions.
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Old 12-30-2012, 10:30 AM   #6
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Reznor ft75 garage heater wont ignite flashes 3 times


Is the Draft motor even running?
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Old 12-30-2012, 01:04 PM   #7
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Reznor ft75 garage heater wont ignite flashes 3 times


You guys are good! The draft motor is moving very slow,barely actually. So it is not pulling vacuem to close the switch. Now i have to figure out where to get one.Thanks fellas!!

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