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Old 09-17-2018, 02:37 AM   #1
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Default No power when running generator

2010 Airstream Interstate on 2008 Freightliner chassis. Standard Onan 2.5 genset. Everything working fine until today. Turned on genset to run ac and nothing. Micro not on either.

Crawled underneath and reset the generator breaker. No change
Plugged into shore power at home and microwave comes on (15amp garage circuit so didn’t try ac)
Turned off red disconnect for 10 min and turned back on no change

I assume it is an issue with the transfer switch but can’t find much on this issue with my vehicle with a quick google search. Not sure where it is (perhaps under rear convertible sofa) or how to get to it

Need to get it up and running by Wednesday for a long trip.

All help is appreciated
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Old 09-17-2018, 03:37 AM   #2
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First thing when I began reading your post was generator breaker, but you checked that. Could there be another breaker in your coach that flipped? Sometimes they barely flip so they look ok. It is best to flip them off, then on to ensure a good reset.

Check your operators manual (or better yet, service manual). Below is what my Onan manual says.

Good luck.
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Old 09-17-2018, 04:08 AM   #3
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Quote:
Originally Posted by rowiebowie View Post
First thing when I began reading your post was generator breaker, but you checked that. Could there be another breaker in your coach that flipped? Sometimes they barely flip so they look ok. It is best to flip them off, then on to ensure a good reset.

Check your operators manual (or better yet, service manual). Below is what my Onan manual says.

Good luck.
Forgot to mention, I did turn all breakers off and back on.

Odd that it was sudden. Everything was and then nothing. No noises or other mechanical type indications.
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Old 09-17-2018, 08:54 PM   #4
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Our first trip out in our coachmen we had the same issue. I found, under the chassis in the rear, near the batteries a junction box that had a short.
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Old 09-18-2018, 12:34 AM   #5
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After confirming the genset was putting out power and finding the transfer switch which is on the drivers side wall behind the water heater, it was easy to see the transfer switch was the culprit...had burn marks near the contacts.

Amazon will have one here Wednesday.

Thanks for the input from everyone!
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Old 09-18-2018, 03:44 AM   #6
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After confirming the genset was putting out power and finding the transfer switch which is on the drivers side wall behind the water heater, it was easy to see the transfer switch was the culprit...had burn marks near the contacts.

Amazon will have one here Wednesday.

Thanks for the input from everyone!
Good news. May delay your trip by a day, but hope it doesn't cancl it.
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