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Old 04-13-2019, 08:21 PM   #1
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Generator not powering house

2004 Pace Arrow 36B. I'm at my wit's end. I just replaced my 2 MH house batteries and my engine batteries. They were well over due to be changed out and I knew I was going to be boondocking at a few dog shows over the next 2 weeks, so decided this was a good time to get it done. The day before I went to the 1st show site I was at a KOA with full hookups to do laundry, etc. Everything worked just fine. At the show site I fired up my generator and it's working great...with one exception. It is not powering the MH house at all. It was serviced last fall and has worked properly since that time. Only has about 30 hrs on the gen since last service. I have checked and cycled all the circuit breakers (even the ones at the generator) checked fuses, and GFI. Still no electricity. Batteries are powering the house fine but I am running the MH engine periodically to make sure they are charging properly. So far all my indicators say they are holding their charge correctly. Any ideas what else could be causing my gen to not run electricity to the MH? Could I be missing something from the battery change out? Help!!!!
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Old 04-13-2019, 08:25 PM   #2
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Sounds like your transfer switch is not changing over to the gen. Are you confident to test for power at the TS load lines when on shore and when on the generator? That will tell you, as well as observing the TS contacts switching to the generator input terminals. Cover off the TS to do that.
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Old 04-13-2019, 08:34 PM   #3
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No, I don't have the tools or expertise to do that. In a strange city, so will have to find an RV Repair place to do any deep troubleshooting. I was afraid that was going to be the answer. Was hoping against hope it was just something I had missed doing. Grrrrrrr!
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Old 04-13-2019, 08:45 PM   #4
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Originally Posted by An Charad View Post
No, I don't have the tools or expertise to do that. In a strange city, so will have to find an RV Repair place to do any deep troubleshooting. I was afraid that was going to be the answer. Was hoping against hope it was just something I had missed doing. Grrrrrrr!
One thing you can do, that only requires a screwdriver, is to remove the cover of the TS. Plug into shore power and see if the contacts move. Then, unplug, and see if they spring back to another position. Finally, start the generator and see if the contacts switch again. Give the gen a few minutes to get to speed. This involves no risk to you if you have a clear line of sight to the TS.

If there is no switching when the gen is running, either the TS is faulty or the generator is not producing voltage to the TS.
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Old 04-13-2019, 08:50 PM   #5
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In some transfer switches the relays are spring loaded to default to shore power. In other words when the coach is cold dark and quiet the switch is all set to send shore power to the coach. When the generator comes on the switch will use the power from the generator to switch the relays over. Considering all this you have two potential problems. Even though you checked everything generator power might still not be making its way to the switch OR the switch is bad.

If there are any campgrounds near by give them a call to see if they have any contacts for a mobile RV service tech. Also try Craigs List or the dreaded information overload of a web search. The problem isn't overly difficult but if your electrical knowledge is limited then leave it be. Getting shocked by 120VAC hurts a lot or it doesn't because your dead.
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Old 04-13-2019, 09:21 PM   #6
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Where would the TS be located on a Fleetwood 2004 Pace Arrow?
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Old 04-13-2019, 10:11 PM   #7
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"An".....typically, the transfer switch is a metal box (usually black about 6"x 6" x 2") located in the same bay as the power cord. The cord plugs into the transfer switch and then runs into the coach. The large cord from the generator runs to it too. So.....two cords in, one cord out. There's not much you can do with it, if you're not comfortable or have the tools......except, whacking it with something, like the rubber handle of a hammer.

As discussed above, the switches inside are spring operated. They get stuck. Taking something and whacking it will often release the stuck springs. This MAY permanently fix it, but it's telling you it's time for a new one.
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Old 04-14-2019, 05:35 AM   #8
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Where would the TS be located on a Fleetwood 2004 Pace Arrow?
Not all coaches have a transfer switch. Is there an outlet in the bay where your shore power cord is stored? If so, plug the cord into that outlet and then run the generator.
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Old 04-14-2019, 11:52 AM   #9
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Not all coaches have a transfer switch. Is there an outlet in the bay where your shore power cord is stored? If so, plug the cord into that outlet and then run the generator.
This is in fact true^^.

I, and others, assumed you had an automatic TS given the year/make of your coach and that you have used generator power before, but that may be incorrect.

A quick check in the compartment where the power cord is located will tell you. If you see an outlet that fits the cord plug, that's the location of the generator feed and just plug in.

Keep us updated.
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Old 04-14-2019, 01:50 PM   #10
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Originally Posted by An Charad View Post
2004 Pace Arrow 36B. I'm at my wit's end. I just replaced my 2 MH house batteries and my engine batteries. They were well over due to be changed out and I knew I was going to be boondocking at a few dog shows over the next 2 weeks, so decided this was a good time to get it done. The day before I went to the 1st show site I was at a KOA with full hookups to do laundry, etc. Everything worked just fine. At the show site I fired up my generator and it's working great...with one exception. It is not powering the MH house at all. It was serviced last fall and has worked properly since that time. Only has about 30 hrs on the gen since last service. I have checked and cycled all the circuit breakers (even the ones at the generator) checked fuses, and GFI. Still no electricity. Batteries are powering the house fine but I am running the MH engine periodically to make sure they are charging properly. So far all my indicators say they are holding their charge correctly. Any ideas what else could be causing my gen to not run electricity to the MH? Could I be missing something from the battery change out? Help!!!!
maybe left a wire off when changed batteries ? I did that once fell down ...
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