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09-23-2017, 04:33 PM | #1 |
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Location: Texas
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Onan qg 7000
I just bought a used Haulmark trailer that has a RV QG 7000 generator. It will only run for 15-20 minutes. After it cools down it will do the same thing. It flashes a 33 code. I checked and found that the fuel pump is NOT running and that even when cranking and/or priming, there is no power getting to the pump. Am I correct in thinking that the power for the pump comes through the control board?
Thanks for any info. Dan |
09-25-2017, 10:38 AM | #2 |
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Re: Onan qg 7000
Yes you are correct and it's a common problem.
PC board/control output for the fuel pump and carb solenoid are the same circuit.... After the board gets warm that circuit fails. Replace the control .....probably an Onan #300-5047
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Rich Biebel S/C 1479 Stock 147R |
09-27-2017, 12:47 PM | #3 |
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Re: Onan qg 7000
Thanks Rich. That was the problem. All is working now.
Dan |
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