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09-24-2020, 09:17 PM
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#1
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New Member
Join Date: Aug 2018
Location: Sugar Hill
Posts: 4
M.O.C. #22387
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AC issues
We have a 2005 3280RL all of a sudden the AC runs every 20 minutes for about a minute. I Turn off system on thermostat. Put fan on auto and put temperature to 90. It still comes on . It still runs till maybe pressure builds and shuts off. There is not a separte breaker for the AC it is tied in to the main 50amp disconnect. Any ideas? I am afraid to leave that it may heat up and cause a fire. Any info would be appreciated.
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09-25-2020, 06:49 AM
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#2
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Montana Fan
Join Date: Jul 2015
Location: Edgerton
Posts: 218
M.O.C. #17678
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Hard telling what may be going on. Someone has obviously been messing with things if it’s wired directly to the 50 amp main. You could unplug the shore power cord for safety, turn off the main & disconnect the a/c’s hot from the main, then reconnect the shore power cord & turn the main back on.
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09-25-2020, 12:42 PM
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#3
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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Has anyone ever cleaned the coils on your AC? I'm assuming you've cleaned the filters, but after that number of years the coils could be packed with dirt and crud.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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09-25-2020, 05:31 PM
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#4
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Seasoned Camper
Join Date: Apr 2017
Location: Jerome
Posts: 97
M.O.C. #19743
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Sounds like what mine was doing. Replaced the control board and bingo! It was back to normal.
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09-25-2020, 06:46 PM
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#5
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New Member
Join Date: Aug 2018
Location: Sugar Hill
Posts: 4
M.O.C. #22387
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Control board? Is it up on roof.
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09-25-2020, 06:48 PM
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#6
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New Member
Join Date: Aug 2018
Location: Sugar Hill
Posts: 4
M.O.C. #22387
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None of the brakers shut it off. and i did not think the 12v would.
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09-25-2020, 06:51 PM
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#7
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New Member
Join Date: Aug 2018
Location: Sugar Hill
Posts: 4
M.O.C. #22387
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Clean the coil last August and they where very clean. Yes filter changed ever few weeks.
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09-25-2020, 08:26 PM
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#8
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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Control board is in the unit it'self, usually accessible from the roof although I've seen one on an older rig that you could get too from below..
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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09-25-2020, 09:06 PM
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#9
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Seasoned Camper
Join Date: Apr 2017
Location: Jerome
Posts: 97
M.O.C. #19743
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Quote:
Originally Posted by DQDick
Control board is in the unit it'self, usually accessible from the roof although I've seen one on an older rig that you could get too from below..
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Access was from inside the 5th. Remove air filter cover and it’s right there. One plug with 6(?) wires.
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