SPRING STREET
LOUISVILLE KY.
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My 7500 Onan starts fine but will not transfer power from the gen.I have the Smart Energy Management System 900. None of the lights on the display comes on although they do come on when hooked to shore power.. Any ideas on where to check first?? Thanks
2005 MOUNTAIN AIRE 4304, FMCA F334596, Good Sams and KOA member..TOAD 2012 Ford Edge with the Eco Boost Engine, License plate "TOWED" > RoadMaster All-Terrain Tow Bar and Base Plates. 
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wolfe10
Texas
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Turn off and back on the two breakers on the generator itself.
Next place would be the ATS (Automatic Transfer Switch).
Brett Wolfe
1997 Safari Sahara 3540
EX: 1993 Foretravel 36' U-240
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MrWizard
Traveling
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Joined: 06/27/2004
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Brett is right
sounds like NO output from the generator start the breakers then check the ATS (automatic transfer switch)
Options, always have options, and the journey goes much smoother
....
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bmerpaw
1000 Islands Ontario Canada
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Just had the same problem, ended up replacing the ATS at the local Cummins Dealer $500.00 plus time. No charge for determining the problem by dealer.
2004 Newmar Dutchstar 4009, Cummins ISL375
2005 Jeep Liberty Toad
Traveling Man
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boze62
Manitoba
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On my EMS there is a button on the bottom of the panel that you press to manually select where power comes from (30 amp, genset and a third from what I recall). I thought there was a problem with the transfer switch but manually selected genset and all went well after that.
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SPRING STREET
LOUISVILLE KY.
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boze62 wrote:On my EMS there is a button on the bottom of the panel that you press to manually select where power comes from (30 amp, genset and a third from what I recall). I thought there was a problem with the transfer switch but manually selected genset and all went well after that.
Yes mine has the button for selecting , but the whole panel is dark only when using the generator..
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SPRING STREET
LOUISVILLE KY.
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It ended up being the transfer switch... up and running..all's well that ends well. thanks for the replys ..
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