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03-09-2020, 07:05 PM
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#1
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Senior Member
Join Date: Sep 2019
Posts: 171
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I turned my air conditioner and nothing happened...why?
I turned off my three electric heaters, went to the thermostat and set the temp, put the fan on high and put it on cool...then went over and through on the 20 amp breaker for the AC. Nothing came on.
I clicked the breaker on and off several times, but nothing happened. I did the same with the thermostat switches.
I don't understand why nothing's working. Even if the AC (air conditioner) wasn't working, the fan should still run.
I have a 1995 Coachmen Royal 360RK 5th wheel camper.
Help!!
I have two 30 amp cords coming into the electrical panel, and a 20 amp breaker for the AC, and three 15 amp breakers...two for the camper and one for the microwave.
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03-10-2020, 09:40 AM
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#2
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Senior Member
Join Date: Jan 2016
Location: x
Posts: 12,423
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Most AC units have a time delay and turning a breaker on and off will not help anything. have you actually checked to see if there is power to the breaker? I would leave the fan in the auto position and set the temp well below room temp the delay on a AC can take some time. Not sure I understand the two 30 amp cords are you plugged into two different power sources?
__________________
Retired Navy
Jake my sidekick (yellow Lab) 10/04 - 05/20
2017 RAM 2500 CC 4X4 Cummins Diesel
2016 Flagstaff 26 FKWS
AF&AM & El Korah Shrine of Idaho
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03-10-2020, 09:53 AM
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#3
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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Quote:
Originally Posted by SeaDog
Most AC units have a time delay and turning a breaker on and off will not help anything. have you actually checked to see if there is power to the breaker? I would leave the fan in the auto position and set the temp well below room temp the delay on a AC can take some time. Not sure I understand the two 30 amp cords are you plugged into two different power sources?
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my guess would be it's over 30' to the ped like mine is. I use 2 30' 30 amp cords. 
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03-10-2020, 09:59 AM
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#4
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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A/C time delay can last 10 min. It resets every time your unit looses power.
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03-10-2020, 10:52 AM
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#5
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Senior Member
Join Date: Sep 2019
Posts: 171
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I have two 30 amp cords that are wired into the fuse panel, but the distance to my outside electrical panel is 75 feet. That may be the reason that the A/C doesn't come on, but the fan should blow anyway and it doesn't.
All the other electrical outlets and devices work fine. I have three electric infrared heaters for heat instead of using propane. I should also tell you that I live here year-round.
I was a demolition contractor for 40+ years and got several calls from insurance adjusters to cleanup destroyed trailers because the propane tanks blew up, so I only use propane during times when the power goes out.
My two car batteries for the 12 volt system in the camper were stolen last month (nice people!) and haven't been replaced yet. Will that cause the problem?
Also, I haven't waited 10 minutes for the delay to kick in that I know of.
Thanks for the info! Please post more...
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03-10-2020, 10:58 AM
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#6
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Senior Member
Join Date: Sep 2019
Posts: 171
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I figured out that the two 30 amp cords that are wired into the panel box are setup to run the two separate sides of the camper, which is nice.
I can run a heater on each side's outlets and only have to turn off heater on the side with the fridge when I use the microwave or the coffeemaker...never both.
The weird thing is that when I forget, the breaker outside in the electrical panel goes off as well as the one inside too...it shouldn't.
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03-10-2020, 11:04 AM
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#7
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Site Team
Join Date: Mar 2008
Location: Southwest Alabama
Posts: 9,850
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Does this mean that you solved the problem with the A/C? Sounds like it. 
__________________
Salem 29RKSS Pushing a GMC Sierra 2500HD!
Gotta go campin! 
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03-10-2020, 11:06 AM
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#8
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Senior Member
Join Date: Sep 2019
Posts: 171
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no, I haven't yet. I'll figure it out shortly.
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03-10-2020, 12:07 PM
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#9
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Senior Member
Join Date: Dec 2015
Location: Eastern NC
Posts: 3,963
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T-stat requires 12 volt
__________________
2022 Montana 3855 BR
2019 F350 6.7 4X4 LB Dually
Edgewater 205 EX 150 Yamaha
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03-10-2020, 12:26 PM
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#10
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Senior Member
Join Date: Sep 2019
Posts: 171
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Quote:
Originally Posted by CaptnJohn
T-stat requires 12 volt
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thank you, that's what I thought!
When I was Googling around last night, one of the posts had said that, but I wasn't sure because it was for RV's (motorhomes).
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03-10-2020, 12:32 PM
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#11
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Site Team
Join Date: Jan 2007
Location: Goodyear, Arizona
Posts: 33,801
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Quote:
Originally Posted by gcharles
thank you, that's what I thought!
When I Googling around last night, one of the posts had said that, but I wasn't sure because it was for RV's (motorhomes).
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The term RV is uses for travel trailers, popups, 5th wheels, truck campers and Motorhomes. They are all Recreational Vehicles.
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Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.) 
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
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03-10-2020, 12:33 PM
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#12
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Junior Member
Join Date: Aug 2018
Posts: 7
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air conditioner not working
I had a rodent chew wires in roof unit. Easy fix when I found it.
__________________
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03-10-2020, 12:35 PM
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#13
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Senior Member
Join Date: Sep 2019
Posts: 171
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Question: will my A/C work even if the thermostat doesn't?
Since I won't have the thermostat working until I get the two batteries hooked up, I can't turn the 'cool' setting on. Will that keep the A/C from coming on?
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03-10-2020, 12:47 PM
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#14
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Just as confused as you
Join Date: Aug 2013
Location: south central Wisconsin
Posts: 5,108
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Quote:
Originally Posted by gcharles
Question: will my A/C work even if the thermostat doesn't?
Since I won't have the thermostat working until I get the two batteries hooked up, I can't turn the 'cool' setting on. Will that keep the A/C from coming on?
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Question #1 - No.
Question #2 - yes.
__________________
Richard & Jill
2014 Flagstaff 832IKBS Classic Super Lite
2018 Silverado 1500 Crew Cab Z71 4WD All Star Edition
Camping since 1989, Seasonal since 2000.
Car Shredder Op/Tech, Scrap Metal Recycling - retired
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03-10-2020, 01:13 PM
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#15
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Senior Member
Join Date: Sep 2019
Posts: 171
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Quote:
Originally Posted by Scrapper
Question #1 - No.
Question #2 - yes.
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BTW, I started in my father's scrap metal recovery/dismantling business then added demolition to it. My father always said that if you know the metals business, you'll never go broke.
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03-10-2020, 04:32 PM
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#16
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Senior Member
Join Date: Jun 2015
Location: Pensacola, FL
Posts: 1,645
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Most RV thermostats that control BOTH the A/C and the propane heater will be powered by the 12 volt system, as that allows control of the heat even when no 120 volt service is available.
You should be getting 12 volts from your converter/charger as long as you are plugged in to 120 volts, and that should power the thermostat even without batteries. Make sure that the positive battery cables are not shorting out to ground, as that will shut down the 12 volt circuits.
__________________
2019 Coachmen Freedom Express 192RBS
2015 T12RBST Flagstaff Hardside
Disclaimer: The actual value of my "Two Cents" of advice varies just like a bitcoin.
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03-10-2020, 07:05 PM
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#17
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Senior Member
Join Date: Sep 2019
Posts: 171
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Well, I got two deep cycle batteries, installed them after cleaning the terminals, came inside, turned on the thermostat (temp, fan and cool) and the A/C breaker, and again, nothing happened. My friend brought his circuit tester in and tested each circuit on the thermostat, and couldn't get anything to happen. We waited for 30 minutes for it to kick on (delays working) and still nothing happened. Next, my cousin, an electrician that also has an HVAC business, is going to come here and check the system.
BTW, the heat didn't come on either.
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03-10-2020, 07:07 PM
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#18
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Senior Member
Join Date: Sep 2019
Posts: 171
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Quote: 'I can explain it to you, but I can't understand it for you.'
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03-10-2020, 11:33 PM
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#19
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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Quote:
Originally Posted by bikendan
The term RV is uses for travel trailers, popups, 5th wheels, truck campers and Motorhomes. They are all Recreational Vehicles.
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Damn, Somebody understands!!!!! 
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03-10-2020, 11:39 PM
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#20
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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Quote:
Originally Posted by gcharles
Well, I got two deep cycle batteries, installed them after cleaning the terminals, came inside, turned on the thermostat (temp, fan and cool) and the A/C breaker, and again, nothing happened. My friend brought his circuit tester in and tested each circuit on the thermostat, and couldn't get anything to happen. We waited for 30 minutes for it to kick on (delays working) and still nothing happened. Next, my cousin, an electrician that also has an HVAC business, is going to come here and check the system.
BTW, the heat didn't come on either.
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Do you have 120 volts at the shore power?? How are you plugging in 2- 30 amp cords?? How are 2- 30 amp cords wired into your RV panel 
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