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Old 08-27-2015, 10:46 AM   #1
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Onan Cmm 7000 problem

I have an Onan CMM 7000 that we have recently serviced and changed the fuel pump as well but since doing all of that the generator will run good at time or it will surge an shut off. When it runs fine there now seems to be no AC power coming from the generator into the cabin. It will run great but the generator has a no stop flashing lights. There is no pause in the flashing so it is not giving an error code number while running. If anyone has any ideas it would be much appreciated.


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Old 09-05-2015, 08:15 PM   #2
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Posts: 237
Had an old motor home that had an Oman generator and did the same thing. Turned out to be the voltage regulator. If I remember correctly it was fairly inexpensive and easy to replace.

2000 F250 CC 4x4 7.3L diesel

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