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Old 01-12-2014, 08:15 PM   #1
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Rear furnace blowing cold

Had a hard time staying warm driving today and now parked and hooked to shore power. Front furnace is working well but rear only blowing cold air. Have tried setting thermostat to max to no avail. Obviously LP is working or front would not be working (right?).
Anyone have any idea how to get the rear furnace working? I am also assuming that both furnaces can run at the same time - hoping that's a good assumption.
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Old 01-12-2014, 08:33 PM   #2
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What are the current settings of the rear thermostat?
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Old 01-12-2014, 08:37 PM   #3
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85 degrees right now
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Old 01-12-2014, 08:43 PM   #4
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Quote:
Originally Posted by RKC02 View Post
85 degrees right now
Fan speed?
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Old 01-12-2014, 08:45 PM   #5
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Auto. Whenever i select low, med, or high fan speed the A/C fan starts running (?)
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Old 01-12-2014, 08:46 PM   #6
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I set the rear furnace same as front
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Old 01-13-2014, 05:24 PM   #7
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I had that problem and went to elec compartment outside and pulled the fuse to the furnace. It seemed like it didn't know what to do,so this reset it and it worked.

Mike
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Old 01-13-2014, 07:12 PM   #8
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Mike, i pulled the fuze, waited about a minute and reinserted. No change. The furnace was turned off at panel. Did you do anything different?
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Old 01-13-2014, 09:19 PM   #9
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No, I actually pulled the front and rear. They are 10 amp fuses if I remember, and it just started working correct. I didn't know what else to do, good luck.

Mike
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Old 01-14-2014, 11:56 AM   #10
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Do you have a Dometic thermostat? Have you tried to reboot the thermostat? There is a rebooting procedure in the owners manual. Hopefully that might help. God luck
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