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Old 04-21-2024, 12:34 AM   #1
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Furnace Problems

So i bought a 2015 Jayce eagle 306RKDS back in january and ive been living out of it full time. When i first moved in the heater and AC worked perfectly. One about 2 months ago the park im currently living in lost power and when the power came back neither the heater or AC worked. I didnt feel like going through the trouble of filing a warranty claim and decided to just buy a couple space heaters. A few days ago while sitting on the couch the entire HVAC system came back online randomly came back online and worked like a dream until today when i got home. Back when it first went offline in february i did a full system reset with the power meter, the trailer emergency power shut off and reset all of the breakers and even pulled and checked fuses. All the fuses were good and nothing worked. So i went on a dive down the rabbit hole to try and see if anyone had a similar problem to no avail. With the recent random revival of the system while i was just sitting down iím left even more confused then i was 2 months ago. If anyone has dealt with what im going through please shed some insight!!
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Old 04-21-2024, 08:59 AM   #2
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Not an electrician but your intermittent problem sounds like a wiring problem. I would inspect every connection I could find between the post and the hvac to see if there was a loose, corroded or otherwise problem in the wiring. I would also check the camp wiring by moving to another post and plugging in there to see if it could be your camp post is bad.
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Old 04-21-2024, 09:57 AM   #3
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If everything else works in your rig and the only items dead are the AC and furnace, then the most logical problem would be with the wall thermostat. I assume you have a wall thermostat. This is the only item that works with both systems as the furnace is strictly 12 volts and the AC is 120 volts but uses a 12 volt control signal from the thermostat.

All the thermostat does is send a 12 volt turn on signal to either the AC or furnace. As long as that signal is there the item will operate. Since both items are out I would first look at the 12 volts coming into the thermostat. Look for loose connections and then measure for 12 volts present at the thermostat.

Good luck!
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Old 04-21-2024, 10:20 AM   #4
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AS JimD stated above, but be aware that the thermostat commonly obtains its 12v power from the furnace, so if the thermostat doesn't have 12v then check the furnace wiring for 12v input and if not then check for loose connections to the furnace and the fuses going to it. ~CA
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