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  • Diesel generator problem

    Has anyone experienced any problems with the diesel generator on the Wag n Tails sprinter?? We have a fairly new sprinter, 2 years old. With in 6 months we were experiencing shut downs. Intermittent problem, warrenty has expired and we have found an independent mechanic who has determined it's a bad control panel. The Cummins dealer was unable to figure out the problem while under warrenty. Anyone have any similar experiance?????

  • #2
    I have a 2011 WGT Pro.....and I was also experiencing generator problems.......took it 3 times to Cummins dealer and they assured me that it wasn't the gen, but the Zantrex control panel inside the van that you turn on/off the generator and inverter system. At any given time, the generator would shut down with "gen cooldown" or some other error message. I was going to get the control panel changed, but the company doesn't make this exact Zantrex panel anymore, and if I substituted it with another panel, then I would have to change the entire wiring of the inverter/gen system. The generator guys suggested that I bypass the panel, and turn on/off the gen from outside, using the switch on the generator itself. I was a wreck, never knowing if the generator would start, or stay on until I dried the dog. One time, I had to switch the vac hose around and was able to dry a dog with the shop vac. Meantime, my brother suggested that it was the Board on the generator (not the panel inside). The generator guys scoffed at this, showing me in detail, how their computer pointed to the panel as the problem.....not knowing what else to do, I insisted that they change the Board.......they did, and wrapped it up and gave me the old Board...as a "backup" since in their minds, it was working perfectly. Since the Board was changed, I've not had a problem in 4 months.......the old Board is still wrapped up, waiting in my garage......

    Happy listening to my computer brain brother

    Dolly's Barking Bubbles, LLC

    www.dollysbarkingbubbles.com

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    • #3
      Yes, Onans are prone to control board failure. I have 2 Wagn Tails vans and they both went bad within months of each other. Downside is they are about $500 plus installation. These were gas models and I'm confident the diesel version has a similar control or mother board. I love how they cannot find issues when under warranty. My independent mechanic found it in 10 minutes and had a hunch before he came. Says the hot environment plays a part. Once the gen heats up, the board shuts you down.

      The diesel models are much better gens and last longer, but my mechanic who has worked on RVs for 40 years says the gas Onans are garbage. Always problems and very expensive to fix and the price of a used car to replace.

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      • #4
        Originally posted by Britiegirl View Post
        Has anyone experienced any problems with the diesel generator on the Wag n Tails sprinter?? We have a fairly new sprinter, 2 years old. With in 6 months we were experiencing shut downs. Intermittent problem, warrenty has expired and we have found an independent mechanic who has determined it's a bad control panel. The Cummins dealer was unable to figure out the problem while under warrenty. Anyone have any similar experiance?????
        Sort of- sorry you are having a problem.

        Had to make an adjustment to the governor that had loosened up caused genset to die.

        Cummins dealers are bad at Onan genset service. Try an Onan dealer instead.

        If you are in So Cal We can install our genset and get yours diagnosed properly.

        UD

        UD

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