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08-19-2013, 06:14 PM
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#1
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Junior Member
Join Date: Jul 2013
Posts: 27
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Lost power on a onan 7000
Generator starts and runs good but all of a sudden just no power to coach i belive i checked all fuses but noticed two spare fuses on front of gen.just not sure were they go any help would be great.
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08-19-2013, 06:39 PM
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#2
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Moderator Emeritus
Nor'easters Club Workhorse Chassis Owner iRV2 No Limits Club
Join Date: Oct 2004
Posts: 30,785
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This thread should help you.
Are there two switch's on face of GEN and are they on?
I guess they call them line circuit breakers.
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08-19-2013, 08:44 PM
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#3
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Junior Member
Join Date: Jul 2013
Posts: 27
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Yes both breakers are on . The fuses that are spares are the round glass ones
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08-20-2013, 03:08 PM
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#4
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Senior Member
Tiffin Owners Club Winnebago Owners Club
Join Date: Feb 2012
Location: Las Cruces, NM
Posts: 4,040
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If the generator breakers are tripped and you are getting no power to the coach, your problem is with the transfer switch. Does shore power work? If it doesn't then it is the transfer switch. Give it a couple of whacks with your fist and see if it switches.
If it is still not switching, turn off the generator, and pull the shore power cord. Remove the cover and tighten all of the cable clamps. Put the lid back on and try it again. If it still doesn't switch, call your dealer as your transfer switch has failed.
__________________
Roger & Mary
2017 Winnebago Navion 24V (Sold)
2014 Tiffin Phaeton 36GH (Sold)
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08-20-2013, 08:45 PM
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#5
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Member
Tiffin Owners Club Texas Boomers Club Ford Super Duty Owner
Join Date: Jul 2012
Location: Baytown, TX.
Posts: 61
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Check Oil Level
Check Oil level, will not run if oil level drops.
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08-20-2013, 08:54 PM
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#6
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by WBBB1
Check Oil level, will not run if oil level drops.
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OP states the power just quits, not that the engine quits. so it can't be the oil level sensor.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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08-21-2013, 06:20 PM
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#7
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Junior Member
Join Date: Jul 2013
Posts: 27
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Thank you for your answer but not sure you stated to turn off gen. and pull shore power i thought you are not supposed to have both on.
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08-21-2013, 06:26 PM
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#8
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Some rigs make it impossible for both to be providing power by having you manually move the power cord inside the rig. Some have an auto transfer switch. With the auto ones you should disconnect the shore power before starting the gen set, otherwise you could burn the contacts on the solenoid.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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08-22-2013, 07:46 AM
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#9
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Senior Member
Tiffin Owners Club Winnebago Owners Club
Join Date: Feb 2012
Location: Las Cruces, NM
Posts: 4,040
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Quote:
Originally Posted by Randy Stelck
Thank you for your answer but not sure you stated to turn off gen. and pull shore power i thought you are not supposed to have both on.
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Randy,
What kind of troubleshooting have you done? Do you get power to the coach with shore power? Generator?
You should not have both the generator and the shore power plugged in at the same time but the transfer switch will give priority to generator power over shore power if you do.
If you are going to take a look in the transfer switch, remove all sources of 110V power - turn off the generator, make sure the cord is unplugged. Just trying to keep you safe...
If you get power with cord and you here the transfer switch connect (usually a big thump), then it might not be the transfer switch.
If the generator breakers are not tripped and you get no power to the coach, it could be (1) a bad connection in the transfer switch; (2) something wrong with the generator output. If you feel comfortable using a volt/ohm meter you could check that, if not, take it to a Cummins dealer for service.
__________________
Roger & Mary
2017 Winnebago Navion 24V (Sold)
2014 Tiffin Phaeton 36GH (Sold)
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08-22-2013, 02:42 PM
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#10
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Junior Member
Join Date: Jul 2013
Posts: 27
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08-23-2013, 07:26 AM
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#11
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Senior Member
Tiffin Owners Club Winnebago Owners Club
Join Date: Feb 2012
Location: Las Cruces, NM
Posts: 4,040
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Having a GFCI issue and stating that your generator is producing no power is pretty confusing to those of us trying to help you. If only some circuits, like your bathroom or kitchen didn't have power, but your air conditioners were still working is a whole lot different than "no power" with the generator running.
BTW, a really good source of information for your coach can be found at tiffinrvnetwork.com.
__________________
Roger & Mary
2017 Winnebago Navion 24V (Sold)
2014 Tiffin Phaeton 36GH (Sold)
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