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I have an Onan 3200 generator on a 2018 Tiffin Wayfarer RV.
I have an Onan 3200 generator on a 2018 Tiffin Wayfarer RV. The unit ran fine for about 30 hours then shut down. It will restart and run for about 5 minutes and shuts down with messages that vary betw… read more
Hank F.
Hank F.
Technician
High School or GED
16,074 satisfied customers
Just bought a 2000 Rialta with an onan 2800 genset. I t had
just bought a 2000 Rialta with an onan 2800 genset. I t had not been run for 5 years due to a damaged exhaust system. Engine runs fine but no power. reset breaker is on. Is there also a fuse somewhere… read more
Hank F.
Hank F.
Technician
High School or GED
16,074 satisfied customers
I just bought a used Rv with an Onan 4000 generator which
I just bought a used Rv with an Onan 4000 generator which starts and runs great but no power to appliances or outlets. Any idea where to start looking for the problem?… read more
Hank F.
Hank F.
Technician
High School or GED
16,074 satisfied customers
I ran my generator (Onan QD 3200 diesel) the other night.
I ran my generator (Onan QD 3200 diesel) the other night. The check oil lvl message came on but the generator ran fine until I shut it off. When I returned to to the RV my RV batteries had run down so… read more
Hank F.
Hank F.
Technician
High School or GED
16,074 satisfied customers
My Onan 4000 does not power my microwave oven or rooftop air
My Onan 4000 does not power my microwave oven or rooftop air conditioner, which work fine when connected to a 30-amp shoreline connection. A recent previous owner had a new thermostat installed just b… read more
Hank F.
Hank F.
Technician
High School or GED
16,074 satisfied customers
My onan generator is a 6500 emerald plus and it seems to run
My onan generator is a 6500 emerald plus and it seems to run fine but it doesn't seem to b charging my rvs batteries.plese help the RV ran fine when we were plugged in at a RV pArk but I woke up today… read more
Hank F.
Hank F.
Technician
High School or GED
16,074 satisfied customers
Hi I have a similar situation but hope it is not as bad. I
Hi I have a similar situation but hope it is not as bad. I messed up. I ran the generator numerous times while plugged into shore power. I was told not to do that but after not doing it many times I f… read more
Hank F.
Hank F.
Technician
High School or GED
16,074 satisfied customers
Onan Marquis 7000 hooked up to LP gas. Ice storm hit, power
Onan Marquis 7000 hooked up to LP gas. Ice storm hit, power lines down, first time to run generator. Had to jump start it. Fired right up in 20 degree weather. Plugged power cable in and it powered th… read more
Hank F.
Hank F.
Technician
High School or GED
16,074 satisfied customers
Hi! We have an Onan Marquis 5500 in my 2003 Itasca Suncruiser.
Hi! We have an Onan Marquis 5500 in my 2003 Itasca Suncruiser. Model HGJAB901B. Starts right up and runs great for the most part, but will not run the 2nd compressor for my coach A/C. Therefore, when … read more
Michael Reush
Michael Reush
Master Technician
High School or GED
2 satisfied customers
I have a 5500 in my RV. I want to hook up a battery just to
I have a 5500 in my RV. I want to hook up a battery just to start the generator because several times now my RV batteries have run to low to start the generator. Does the onan have a charging system o… read more
Hank F.
Hank F.
Technician
High School or GED
16,074 satisfied customers
I have a 4KW Onan model 4ky fa26100j s/n E000107 generator
I have a 4KW Onan model 4ky fa26100j s/n E000107 generator bult into my 2000 Winnebago Brave RV. Gas fueled. the generator engine starts ok, but no voltage output at generator. Everything worked fine … read more
Hank F.
Hank F.
Technician
High School or GED
16,074 satisfied customers
I have a 1998 7.5kw onan in my rv. The unit runs fine when
I have a 1998 7.5kw onan in my rv. The unit runs fine when stationary, but shuts off when driving, even when minimal load is applied, i.e., no appliances. Oil and cooling levels are fine. What other s… read more
Hank F.
Hank F.
Technician
High School or GED
16,074 satisfied customers
I have a Generac 55G gasoline generator that starts beautifully
I have a Generac 55G gasoline generator that starts beautifully but has no output power. I checked the fuses and the 20A breakers on the font and the main connections which all look good. Our mechanic… read more
Conservative
Conservative
Service Advisor
Vocational, Technical or Trade Scho
281 satisfied customers
Mirada: onan..motor home when plugged in to electrical plug..fuses
97 coachman mirada onan 5000 power works in motor home when plugged in to electrical plug but when generator is running no power to inside plugs i have switched all breakers i could find are their any… read more
Michael Reush
Michael Reush
Master Technician
High School or GED
2 satisfied customers
I fixed my onan RV generator but didnt make a note of how
I fixed my onan RV generator but didn't make a note of how the wires were hooked up in the j-box . Is there a diagram?… read more
Hank F.
Hank F.
Technician
High School or GED
16,074 satisfied customers
I have an onan marquis 7000 in an rv. It connects to an automatic
I have an onan marquis 7000 in an rv. It connects to an automatic relay swith box that is supposed to switch to gen power when gen starts. It is not working. How do I tell if the generator is putting … read more
Hank F.
Hank F.
Technician
High School or GED
16,074 satisfied customers
My onan 6500 in my RV will start up but imediately shuts down.
My onan 6500 in my RV will start up but imediately shuts down. Any suggestions where to start… read more
Tech4you
Tech4you
Electrician/Mechanic
Associate Degree
1 satisfied customers
have a onan 5500 runs ok until i put the load of the main a/c
have a onan 5500 runs ok until i put the load of the main a/c in the rv. a/c unit wont turn on and the generator hasitates. The generator resets itself after 30 seconds. The rear a/c will turn on fine… read more
RUSS
RUSS
SERVICE TECHNICIAN
Vocational, Technical or Trade Scho
1,723 satisfied customers
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