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Lost AC power output Kohler 12.5
#1

We fired up the genny & headed to Albuquerque for concerts weekend.  Had front & rear AC's on while driving. Noticed coach interior seemed to be getting warmer. Looked up and saw no power indicated on the control panel.  Generator was running. Flipped the transfer switch a few times, no luck.  Shut generator off and re-started, still no luck.  Put refrigerator on propane, flipped inverter on so as to have AC power to run laptop with Silverleaf engine monitor program.  Continued to Albuquerque as time was of the essence to make it to concert. Missed about 30 mins but that is much better than the last 2 years when I had to give tickets away altogether. My question is:  any recommendations on where & what to check when I start trouble shooting today or tomorrow?  We are back in our normal space at Rt 66 and shore power working fine.  Just hate the prospect of having to drive home with no house AC.
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#2

Is the generator fan working the front right compartment. If so the generator is working the current just isn't getting to the system. Check the 240 volt breakers on the generator. Check the manual transfer switch. There are auxiliary contacts that keep both sets of primary contactors from being activated at the same time. I got some debris in one of mine so it thought the shore power contacts were energized even though they weren't. After cleaning the debris out of the auxiliary contacts, my generator started feeding voltage to the coach again.

Michael Day
1992 Newell 43.5' #281
NewellOwner.com
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#3

Thanx Michael! I slid genny out, shut off shore power & started generator. Fan was working so I knew it was making power. The 240 breakers hadn't tripped, but felt a little weak when flipping them. Went back to transfer switch box. It was growling & vibrating until I gave it a little tap. Still not getting generator power to house system, but at least I think I have the problem located. We had the "debris" issue a couple of years ago but used air to blow out everything and have no issues until now. Worst case may have to use the "tooth pick" trick to hold generator contactor in for the trip home. Probably a new one is just this side of the horizon!
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