Offshoreonly.com - 502 MPI Buzzer Noise Codes

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seafordguy

05-20-2011 10:47 AM

502 MPI Buzzer Noise Codes

Buddy has a double buzz at idle. Does anyone have a list of codes for what the buzzers mean. I believe this one is a double buzz once a minute or so at idle - nothing steady.

Thanks

Pete280

05-20-2011 02:19 PM

dont know about the double buzz, but an intermittent buzz is a stored code and a solid alarm is either OP, drive oil or overheating

Ted G

05-20-2011 08:47 PM

Read this :

http://www.offshoreonly.com/forums/d...an-1-00-a.html

and you can pull a code. If there is no code then it is most likely a bad idle air control. I don't know why but a lot of times the 2 beeps every minute seem to be an IAC. And it will not set a code.

seafordguy

05-20-2011 09:56 PM

WOW Ted - Thanks.

He was already going to throw an IAC at it in hopes that was the issue, but the rest of that could prove priceless the next time an alarm goes off.

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