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Old 06-21-2015, 10:25 PM   #1
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Transfer switch

Just went on a long trip in new precept 35UN. When we hit a big bump in the road the a/c' s and all electrical would go off. The generator was running and could hear it trying to kick in. We turned off all breakers and back on and then things would start working again. This happened about a dozen times in 8 hours. When I opened up the space under the bed the wires to switch from the generator were not even tightened down. Jayco sent a new transfer switched that I installed. Started home and worked for about 6 hours and hit a big bump and this started again. This happened just 3-4 times on way home. There has to be loose wire somewhere. Any suggestions? By the way, I have found tons of loose screws and other problems. The quality control guy at Jayco needs to be fired.
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Old 06-22-2015, 04:35 AM   #2
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I'm thinking the QC guy needs to fire some line workers. I was always of the opinion quality can not be inspected in, it has to be there in the first place.

IMHO

I am on my 3rd transfer switch after the two previous ones smoked.
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2006 GMC 2500HD CCSB 4x4 Duramax/Allison, Titan 52 gallon fuel tank, Prodigy Controller, B&W Companion Hitch
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Old 06-27-2015, 08:29 AM   #3
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Just noticed this and posted about our similar experience. Noticed the same would happen with hard stops (sometimes even regular stop lights). Generator kept running though. Has anyone asked Jayco about this?
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Old 06-27-2015, 02:49 PM   #4
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I took a test ride in our 35UNm and just got home. It is currently 108 degrees but is supposed to warm up later today (joke).


I had genny running and both A/Cs going as we drove. All went well for 30 minutes or so and then the A/Cs went off. Wife restarted them as we traveled and they ran a few minutes and then stopped again.


I have a voltage meter in one of the AC outlets she can see from her seat so she began watching it. Things would be fine and all of a sudden voltage would drop to zero and everything shut down. The genny never missed a stroke and ran well.


Once home I was just sitting in coach waiting for her to open the gate so I could park and the A/Cs went off again and I was not even in gear.


I'm thinking a wire is loose, prolly on switch box, and have appointment to take RV to shop on the 6th. This will be on the list as we are driving this rig on a 3500 mile trip beginning 7/24.


BTW - I took this test drive today after installing the 5 Star 3V RV tune to my coach. WOW!! That is certainly a HUGE improvement!! It really is like having two more cylinders, just like they advertise, and the transmission has perfect manners now. I RECOMMEND THIS UPGRADE!!
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an Aluma low bed trailer with HD Road King and/or Polaris RZR onboard
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Old 06-28-2015, 12:59 PM   #5
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You need to have them look at all wires. Most of mine were never tightened down. I take mine in on the 3rd with a very long list of repairs
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Old 06-29-2015, 06:45 AM   #6
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I took the wood cover off under bed and checked the lugs yesterday afternoon. They were all tight and I could not find any problem with the switch box. I did fix two other issues I had on my list while there so it was worth doing. I may check the wires at genny if I get time or else let dealer earn his money.


Did you get your level system recalibrated OK?
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Towing JEEP TJ with Roadmaster plates and bar w/Blue Ox Patriot brake
OR
an Aluma low bed trailer with HD Road King and/or Polaris RZR onboard
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Old 06-29-2015, 09:12 AM   #7
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Yes I got jacks leveled. I need to do again to tweak a little bit but now know it works. I am hearing of a lot of people with same issue as mine with generator. I hope they can figure mine out.
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Old 06-29-2015, 07:43 PM   #8
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We have had problems with the generator stopping with both the 31ul we had, and the 35un we have now. I've narrowed it down to the generators getting overheated, or the oil level dropping to below the full line. As far as quality control goes, all the builders don't have ANY!!!
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Old 06-29-2015, 08:59 PM   #9
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Jacobsnc.... My generator keeps running, but you can hear it trying to switch over. Everything electrical stops running and will start back when you throw the breakers and turn back on.
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Old 06-30-2015, 08:18 AM   #10
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My genny runs good too, just loses voltage for no reason? I'm thinking switch box problem.


Hey, remember when you are using your level system that ANY movement in the coach can mess it up. That goes for simple leveling at camp site or if you are recalibrating the system - you must be very still when the controller is "thinking". After you get the level you want you should sit down and wait a few seconds before hitting the retract 3 times to remember the setting. Give the coach time to settle after you walk around and sit down.
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