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Jan 23rd, 2013
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Optimax "beep" at WOT #12509384
11/19/17 08:34 PM
11/19/17 08:34 PM
Joined: Mar 2016
Posts: 653
Pearland, TX
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dk2429 Offline OP
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dk2429  Offline OP
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Joined: Mar 2016
Posts: 653
Pearland, TX
2008 Optimax Pro XS 225 with 400hrs. ( Don't have serial # in hand, boat is at the storage.)

Been having this happen the past few trips.. Don't really understand.

When I go to open it all the way up to WOT, after about 5 seconds I get a loud "held out" beep, (it's not beeping off and on, just a constant sound.) It doesn't affect anything, if you just keep it down it still turns 6k RPM and hauls rear.

Weird thing is, it usually stops beeping after about another 5 seconds. Something else I've noticed, when it starts beeping, if you drop it down to about 5k RPM, it stops. You can get it back up to 6k, and no beep at all, she justs get on down the water screaming. Water pump pisses normal, full tank of oil, and the motor runs fine with no issues at all. I've been reading up on it a little and some folks are saying it's a sensor in the oil tank that thinks it's low on oil..?

What do y'all think? Thanks!!!


Majek 22 Extreme/225 Optimax Pro XS
2006 Chevy 2500HD Silverado/6.6 Duramax LBZ


Re: Optimax "beep" at WOT [Re: dk2429] #12509572
11/20/17 12:33 AM
11/20/17 12:33 AM
Joined: Nov 2014
Posts: 6,432
Red Oak, Galveston, and Pagosa...
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SteezMacQueen Online sleepy
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SteezMacQueen  Online Sleepy
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Red Oak, Galveston, and Pagosa...
It's letting you know the Yamaha is gaining on you quick!

Jk....

Maybe it's an over rev warning.? Don't know. Water pressure warning?


Eat. Sleep. Fish.
Re: Optimax "beep" at WOT [Re: dk2429] #12510059
11/20/17 05:16 AM
11/20/17 05:16 AM
Joined: Mar 2016
Posts: 653
Pearland, TX
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dk2429 Offline OP
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dk2429  Offline OP
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Pearland, TX
Well from what I know the rev limit is 6200 RPM, and I've run it wide open plenty of times before and it's never done this.. Water looks like it is pissing fine...


Majek 22 Extreme/225 Optimax Pro XS
2006 Chevy 2500HD Silverado/6.6 Duramax LBZ


Re: Optimax "beep" at WOT [Re: dk2429] #12510082
11/20/17 06:26 AM
11/20/17 06:26 AM
Joined: Feb 2015
Posts: 2,167
Magnolia, TX
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Flippin-Out Offline
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Flippin-Out  Offline
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Magnolia, TX
Originally Posted By: dk2429
...
Been having this happen the past few trips.. Don't really understand.....

What do y'all think? Thanks!!!


I think that if you don't have a manual for your engine, you should get one - and read it.
I wouldn't dream of continuing to operate an engine with a warning beep issue until I investigated the meaning of the beep, and probably gotten an error code download...
I also think that if you keep making more trips without resolving what's going on, it will eventually turn into something much more obvious, and very expensive....

Re: Optimax "beep" at WOT [Re: dk2429] #12510134
11/20/17 12:27 PM
11/20/17 12:27 PM
Joined: May 2003
Posts: 11,492
Littlefield Tx & Lake A. H. US...
gary purdy Offline
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gary purdy  Offline
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Posts: 11,492
Littlefield Tx & Lake A. H. US...
I see a compressor high temp on my scanner pretty often checking these motors. Check the screen behind the plug next to the tell tell. Oil, water in fuel or overheat alarm would cause the motor to go into protection mode.


The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
Re: Optimax "beep" at WOT [Re: gary purdy] #12510861
11/21/17 01:05 AM
11/21/17 01:05 AM
Joined: Mar 2016
Posts: 653
Pearland, TX
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dk2429 Offline OP
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dk2429  Offline OP
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Pearland, TX
Originally Posted By: gary purdy
I see a compressor high temp on my scanner pretty often checking these motors. Check the screen behind the plug next to the tell tell. Oil, water in fuel or overheat alarm would cause the motor to go into protection mode.


But wouldn't "protection mode" shut it down to a limp?? The thing is, it runs perfectly fine and hauls [censored]..


Majek 22 Extreme/225 Optimax Pro XS
2006 Chevy 2500HD Silverado/6.6 Duramax LBZ


Re: Optimax "beep" at WOT [Re: dk2429] #12510979
11/21/17 02:59 AM
11/21/17 02:59 AM
Joined: Jun 2004
Posts: 1,478
Benbrook Tex
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OPTI Offline
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Benbrook Tex
In 2004 Mercury changed the warning horn strategy it only has two different warning non critical or critical 6 intermittent beeps is a non critical and a 6 second continuous warning is a critical. The reason you only here once is it only warns you one time until you cycle the key switch off and on. And also you will not get a warning when you hit the rev limiter. So I would advise you have it checked out by some one that can pull the faults if your getting a warning you storing faults...OPTI

Re: Optimax "beep" at WOT [Re: dk2429] #12511364
11/21/17 03:20 PM
11/21/17 03:20 PM
Joined: May 2003
Posts: 11,492
Littlefield Tx & Lake A. H. US...
gary purdy Offline
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gary purdy  Offline
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Littlefield Tx & Lake A. H. US...
Originally Posted By: dk2429
Originally Posted By: gary purdy
I see a compressor high temp on my scanner pretty often checking these motors. Check the screen behind the plug next to the tell tell. Oil, water in fuel or overheat alarm would cause the motor to go into protection mode.


But wouldn't "protection mode" shut it down to a limp?? The thing is, it runs perfectly fine and hauls [censored]..
Yes that is what I was saying. Opti is correct in saying the motor needs to be scanned for the warning entry.


The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
Re: Optimax "beep" at WOT [Re: SteezMacQueen] #12514281
11/24/17 12:58 AM
11/24/17 12:58 AM
Joined: Oct 2004
Posts: 11,056
San Diego, Ca/ Sanger, Tx
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Mike Keenan Online content
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Mike Keenan  Online Content
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San Diego, Ca/ Sanger, Tx
Originally Posted By: SteezMacQueen
It's letting you know the Yamaha is gaining on you quick!

Jk....

Maybe it's an over rev warning.? Don't know. Water pressure warning?


That’s the funniest thing I’ve heard in a while


R.I.P. Mike "pappy" "broken rod" Green born 07-16-62 on to better fishing 06-10-08.
www.basscat.com

Re: Optimax "beep" at WOT [Re: dk2429] #12514679
11/24/17 02:22 PM
11/24/17 02:22 PM
Joined: Nov 2002
Posts: 3,709
Yantis, TX
Gamblinman Online content
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Gamblinman  Online Content
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Yantis, TX
I agree...solid horn is a critical fault. Any qualified Mercury dealer should be able to download faults. Need to have this looked at immediately.

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