Question about 2004 Volvo V50

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Volvo Penta Marine engine 5.0 GXI 2004

I use my boat on the weekends and when I try to start it (after sitting for a week) I have to reset the 50A circuit breaker located at the rear of the engine has to be reset before the engine will start.
What would cause this breaker to trip?
I replaced the breaker to assure it was not faulty.
What trouble shooting proceedure can I do?
fjoseph282@aol.com

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There are two causes to trip off the breaker, overload current and a short circuited. Overload current causes to overload is that you have big load equivalent more than the limit load of breaker ampere. Like for example you have the limit of 50A load and you loaded 60A equivalent,it will trip off automatically the breaker cause by overload. The solution of always tripping of breaker is to replaced the breaker with higher amperage.Like for example 50A before change it with higher amperage 60A ,it must be proportionaly to the load equivalent. The other one causes is short circuit. Check for short circuit like bridging foriegn metals to the other parts,or faulty wirings causes to short.This problem is easy to solve,just take all the load of the breaker and reset the breaker.Like for example unplug or unhook all the loads . The engine motor ,the lights ,the control panel board,the TVs, the radio and whatever the load you have .To solve put it back or hook it back the loads one by one, to see whatever the load caused to short circuited and trip off the breaker..I will follow the calculation load equivalent.

Hope this may help you;

Regards,
VOTIT

Posted on Sep 24, 2008

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There should be some loose connection or short circut, that is the only thing that can cause it.

Posted on Sep 23, 2008

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