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Old 07-21-2011, 10:25 AM   #1
Join Date: Nov 2009
Location: Ft Lauderdale, FL
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Gas/Electric heater problem

My '07 Revolution has both gas and electric heat with 2 zones. When I turn on the electric the gas comes on with it, so both run. The gas heat will run by itself. This just started happening. Has anyone experienced this problem? Possible fix?
Gary and Norma Goldman
'07 Revolution
'07 Honda CRV

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Old 07-21-2011, 05:58 PM   #2
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I would start with a VOM and check wiring and the thermostat to find out if it is sending a signal to both the gas and electric simultaniously. You should be able to look at the electrical diagram in the furnace manual to find out exactly what should be happening. To diagnose I typically start with everything off/disconnected and test for continuity, then turn on power and check to see if power is where it should be. My bet a faulty switch or relay.

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Old 07-21-2011, 06:14 PM   #3
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Are you asking about a furnace or water heater?

David & Gail Salisbury, NC
2003 American Eagle 42'
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Old 07-21-2011, 06:35 PM   #4
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If you are talking about your furnace it's probably because, if the thermostat is I believe 10 degrees high than room temp gas turns on to help recover.
2007 Fleetwood Revolution LE 40V
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Old 07-21-2011, 07:23 PM   #5
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The furnace will come on if the differential between the set temp and the actual inside temp is 6 or more degrees. It also runs if the a/c is unable to provide sufficient heat, e.g. the outside temp is too low for the heat pump to function.
Gary Brinck
2004 American Tradition; 2014 Buick LaCRosse
Homebase in the Ocala Nat'l Forest near Ocala, FL
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Old 07-21-2011, 11:32 PM   #6
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Thank you! I was talking about the furnace, and the problem was there was too large of a difference between the actual temperature and the thermostat setting. I had no idea that the gas furnace will help the electric, and never experience this in the 4 years I've owned the coach.
Thanks again
Gary Goldman

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