Re: [Amel] Onan MDKAV 7kW 1999hrs Stops unexpectedly: no error code

Alessandro Gennai <agennai@...>

Regarding my problem with Onan gen set I had fixed it and I thank you for your help.
i changed the actuator and Onan didn't stop anymore BUT it sounded not good as I looked for the problem at , at the end , I found it: when I changed the fuel filter during crossing I had a problem with screw and ,maybe, I damaged also with a new filter there was a little linkage of air along the screw of fuel filter so when Onan was on load , actuator " asked" more fuel, air entered, actuator was busy and I changed also the fuel filter support and now it works perfectly!
Thanks again
Grand Cru supermaramu 2k #443

Inviato da iPad di Alessandro Gennai

Il giorno 07/dic/2012, alle ore 04:13, RIZA CAGDAS CAKIR <> ha scritto:


It seems to me seawater flow sensor by somehow sence there is no flow and
shuts off the genset, and you run again it runs and stops after 30min , if
this is the reason you should see an error code ( blinking on carling switch
) . But I am thinking two possible cause ; 1- fuel filter, if that is old or
dirty that may cause the same thing , 2- sea water flow sensor if it block
somehow by small dirt that stops the genset

If those doesn't solve write back to me,


[] On Behalf Of drew_gaffney
Sent: Friday, December 07, 2012 9:03 AM
Subject: [Amel] Onan MDKAV 7kW 1999hrs Stops unexpectedly: no error code

We're currently anchored off Ko Lipe in Thailand. It's hot, 90F+ and we're
having trouble getting our Onan to run for longer than 30min. I've replaced
the impellor, zinc, checked the heat exchanger, and everything seems fine,
except it simply quits; no error code; will
restart easily, but then quits again after 15-30min. There is plenty of
water coming out the exhaust and good suction on the seawater intake (I can
close the sea-chest and pull from a large bucket of fresh water, so I can
feel the suction.)
When the generator is working, it delivers 230V, 50.4Hz and I'm not drawing
more than 20A while charging.
Any ideas?

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