? Transfer Switch

[flynnwalter]

vscoggin
Does your coach have what is known as a "salesman's switch"?
Battery disconnect switch - Electrical - FMCA Motorhome Forums
If so, check out the above.

[Capn_Dave]

What happens if when you are sitting with the generator running and everything is humming along fine and you crank the engine. Does the generator stop when you go to start the engine? Is your fuel gauge above 1/4 tank?

[vscoggin]

Plenty of fuel, generator runs good,cranking MH doesnt affect it,only time at home that the AC runs(and microwave)is when plugged up--house batteries off/on makes no difference--everything works when plugged into shoreline at campground; and at home.Also--house batteries runs lights,fans,etc..well on their own.??--Vince

[vscoggin]

Originally Posted by flynnwalter

vscoggin
Does your coach have what is known as a "salesman's switch"?
Battery disconnect switch - Electrical - FMCA Motorhome Forums
If so, check out the above.

That I dont know for sure--there is a switch that cuts off the house batteries; We have a 1996 Holiday Rambler Vacationer ES--Vince

[vscoggin]

1996 Holiday Rambler Vacationer ES--gas

[Dr4Film]

This entire thread is a confusing mess AFAICT.

What I can gleam from the entire thing is that the generator runs and puts out power to power everything inside the coach. The shore power cord when plugged into shore power provides power to run everything inside the coach.

Well, those two statements above prove that the transfer switch is doing its job and should not be monkeyed with.

Where it becomes confusing is where he states when he starts up his motor-home engine things don't work as they should.

First off, the motor-home engine doesn't provide any 120 VAC power. It provides 12 VDC power to keep your chassis and house batteries charged.

Your inverter provides 120 VAC power while your motor-home engine is running BUT it won't power your rooftop A/C's. You need to run your generator while the motor-home engine is running to power your rooftop A/C's.

This is where the confusion lies. I believe that the OP is stating that when he has the motor-home engine running, the generator will start and run but it won't stay running. Or I am confused in that what he is stating is that the generator will not even start or run when the motor-home engine is running.

OP....is that a correct statement and which one is correct?

Dr4Film ----- Richard

[gemini5362]

ok the original poster is not clear. last post on the first page he says ac and microwave runs when plugged in and not plugged in. The second page he says runs when not plugged in but doesn't when he unplugs it.

if he is saying that it runs when he is plugged in but not when he unplugs then he is not running anything from his generator as best as I can tell. It wont be the salesman switch because those would have to be on to start the generator and to start the coach. If the generator is not powering anything then the other posters have good ideas. Possibly one of the circuit breakers from the generator or possibly the transfer switch.

The poster needs to unplug the coach at home or somewhere. leave the chassis engine off, start the generator and see if the microwave and the a/c works. Then post what the results is so we can try to help

[3wheeljunkie]

did we find out the rig he has is it a hr , is it gas or diesel is it ford or chevy

[Dr4Film]

Originally Posted by 3wheeljunkie

did we find out the rig he has is it a hr , is it gas or diesel is it ford or chevy

Post #19

Dr4Film ----- Richard

[jdoran1973]

Dr4Film's post 20 does a good job clarifying a confusing thread. I am thinking more of a fuel delivery issue here. I think it sounds like gen set is running giving everything power but he says the gen set ( or at least the a/c) cuts out before they get out of the driveway. Perhaps the demand for extra fuel under throttle starves the generator ? For a gas Rv it is cheap and easy enough to change the fuel filter on the generator at the very least.

[Dr4Film]

I guess we lost the OP someplace. Haven't heard back from him in a couple of days now to help any further.

Oh well, on to the next problem.

Dr4Film ----- Richard

[RVluvin]

What I need clarification on is:

1) When you start down the drive way, does you generator quit or just the ACs quit and the gen is still running?

2) If the generator is still running, has either one or both of the breaker switches on the generator been tripped?

[vscoggin]

The generator continues to run normally, and it doesnt look as if either of the breakers have been tripped--Vince

[brobox]

Originally Posted by vscoggin

My generator runs good and sitting at home, will run 2 AC"s and everything else, however, when we start down the road running the generator--the AC"s wont work (or other things) get to the campground--plugg in --works great--think it is the transfer switch?--I used sandpaper on the points and they are not stuck..Thanks--Vince

Did you check to see if the circuit breaker on the generator may have tripped? Recycle the breaker on and off to make sure.