Lost power from Generator

Zach312

Active Member
SILVER Sponsor
Jan 23, 2011
826
Nashville, TN
Boat Info
2008 Sea Ray 47 Sedan Bridge
Engines
Cummins QSC-600
Generator runs with no issue but not getting any power to the boats systems from the generator. Ran well and produced power for the first 10 min of the day yesterday and then lost all power. Generator didn't shut down and appears to run normally. Am I missing a breaker of fuse? Ideas?
 
Generator?

Did you reset the breaker on the genset? Did you reset the switches on the main electrical panel?
 
Generator?

Did you reset the breaker on the genset? Did you reset the switches on the main electrical panel?

Yes did a complete shut down of the system and restart. On the generator there is just one breaker on the front panel?
 
By complete reset you also mean you cycled the breaker on both line 1 and 2 on the panel in the salon?
No code showing in the LCD panel on the genset?
 
FFE34259-17AA-4882-AFE4-87EF21070032_1_201_a.jpeg

My WB penny has a breaker on the genny in addition to the breaker on the panel.
 
Time to get a meter out and check before the breakers. Might have a bad breaker bassed on what the manual says

upload_2021-6-19_7-55-26.png
 

Attachments

  • Onan MDK operators manual.pdf
    1.6 MB · Views: 55
Onan?
There are two breakers, location might be model dependent. One ac, one dc.
Sounds like your ac breaker might be out. Mine’s on the side toward the rear.

5DC2B68E-C984-4D95-AC99-6D2BE2B5BBCB.jpeg


Breaker on the side:
2D05D37E-5AA3-413D-8DEE-AC346614C99B.jpeg
 
I will need to see if there is one on the side.. Thanks!
 
Similar thing happened to me a few years ago. One of the terminal posts had broken off of the backside of the breaker in the salon panel. Possibly from being overtightened at some point or 15 years of vibration.
 

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