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Old 06-12-2009, 07:51 PM   #1
David Bott
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Join Date: Mar 2008
Location: Hilton
Posts: 382
Default Tour Master Owners - Is Your Generator Auto Start Working?

Hello All...

Well, here is a question that some of you may have never have tried, for you may not know that it can do it, and thus you may not know that you may have an issue. (This is a feature that I would think would be used a lot by dry campers.)

This affects units with a Xantrex Charger/Inverter & Powertech 8K Diesel Generator.

One of the options for the Xantrex is the ability to auto start and auto stop the generator based on the the battery voltage. Example...It can be set to start the generator say when the batteries get down to 11v and then stop when the batteries are back at float charge. (Actually several start and stop point can be set in the menu.)

In any case, our 08 Tour Master would not do this and I had the fine people at Dick Gores RV World in Jacksonville take a look. Sure enough, it was not set right and they were able to adjust the wiring and changed a setting on the controller from Powertech to Oran. (this is because of how the signal is sent.) Poof, all was well.

It turns out that the Powertech uses one wire to both start and stop the generator. Put 12v on it for a second and remove it, it does a generator start up. (Note this is what the toggle switch you use to manually start it does.) Put 12v again on it, and it will stop. Well, the Xantrex needed the wires moved to do this as this generator it turns out is differnt than the normal setup for on and off for most gens.

So, the first question is...Did you know your coach should be able to do this? And second, if you did, does yours work? (Easy test, on the Xantrex panel use the arrows to go to the screen for start/stop generator. Press the on/off button. In a few seconds the generator should start. If it does, after a few mins press it again...it should stop. If it does not work...it is not wired correctly or some other issue. (Note...when doing this test after you press the on/off button if you then press the arrow to go back to the status screen you will see what it is currently trying to do.) (Note 2...If it does not start you will get an red error light and a beep...do not panic. Just go back the the gen start stop and press on/off again. It is just trying to tell you it could not start the generator.)

So....Some of you may know that my inverter did go out on me and was replaced at the Gulf Stream plant. Of course they ended up wiring it back to factory setup. As such, mine no longer worked again for auto. So I went to set the wiring and ended up finding out that actually this inverter is actually defective also! You see, the generator stop relay has a Common, Normally Open, and a Normally Close. Well, both are closed. As such, I can auto start the generator but can not stop it as the relay is stuck in the closed position and it should only close when it gets the command to close. AUGH!!!!!

Any case...does any Tour Master owner have their working?
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David
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'08 Tour Master T40B
MBE900 Diesel (Mercedes)
08' Saturn Outlook Toad
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