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I have a cummins onan RVQG2500 LP MODEL 2.5KVD-2089B S/N F100127426 AND THE question is;; starts and runs , then stops when the start switch is releaed ?

Posted by jerome lyons on

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Carl Rock

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See trouble shotting guide

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.flightsystems.com/pdf/onan-rv-troubleshooting-guide.pdf&ved=2ahUKEwjI49Gf48_pAhWMVc0KHWX4DMIQFjAAegQICBAB&usg=AOvVaw2R1u0OvWwmNjVdXisAdjGI


Q. Why does my generator start and then shut down as soon as the start switch is released?
A. Most models require both oil pressure and AC voltage from the generator to keep running. A lack of AC voltage can
be caused by a variety of problems involving the control board, regulator, generator and wiring. A stuck oil pressure
switch can also cause this symptom. The interaction between the various components of the system can be confusing
during troubleshooting. Use the Troubleshooting Guide to isolate the problem.

Posted on May 25, 2020

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sherlywang

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You should if the fuel is enough and if the start motor is good or not

Posted on May 25, 2020

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5 Related Answers

mamicheddy

mamicheddy

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SOURCE: Only runs if I hold the start switch

The problem is that you are not creating voltage. Remove front cover. Place a volt meter on the breaker. Start genset and you will see no voltage present. The problem could be with the brushes, rings, rotor, stator, voltage regulator, or control board.

Posted on May 09, 2009

Anonymous

  • 77 Answers

SOURCE: onan 4000 start good runs only ten minutsand shuts down,starts up

First locate the oil pressure switch and see if you can bypass it,then see if it runs. If not check the fuel filter and fuel pump,make sure solonoid for fuel pump is kicking on.

Posted on Aug 10, 2009

Anonymous

  • 160 Answers

SOURCE: I have a 6500 lp onan marquis generator in my rv.

ONANS ARE PRETTY QUIRKY AS IT IS NOT CONSUMER FRIENDLY. THE GENSET IS DESIGNED FOR ROUTINE AND SIMPLE MAINTENANCE PERFORMED BY THE OWNER, AFTER THAT, U WILL NEED TO TAKE IT TO THE NEAREST DEALER OR CUMMINS DIESEL REPAIR SHOP.

Posted on Jan 10, 2010

Marvin Thornbrue

  • 172 Answers

SOURCE: I have an Onan 2500 LP generator. What is the red knob for?

That knob should be to bring pressure up and down with 0 being off or the lowest range of the regulator. This regulator is adjustable for different applications apparently.

Posted on Jan 21, 2010

Anonymous

  • 1 Answer

SOURCE: 96 cub cadet 2140 with cummins onan 14hp

I have cummins cub cadet Onan Elite 140 engine shuts off after about 20 min and won't restart for half hour.

Posted on Jun 06, 2010

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