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Johan Hackman 
Admiral of the Fleet 
Joined: 24 August 2005 Location: Sweden Status: Offline Points: 4361 |
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 Topic: Engine alarmPosted: 25 April 2024 at 11:12 |
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Hi all,
You know me. I don't know anything about the engine on my boat. Yesterday I started the engine and the red light and the sound alarm went on. The engine was running fine but the alarm wouln't go off. I have yet not tried to find the cause but I thought I'd ask the forum if anyone had any advice. Johan |
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Jooce
Lieutenant 
Joined: 08 November 2013 Location: Sweden Status: Offline Points: 37 |
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Posted: 25 April 2024 at 12:07 |
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Start by checking cooling water. Does water come out of the exhaust with a steady flow. If not, check impeller. Check if there is any water leaking out from the engine.
Second, check the oil level and quality. If you haven't changed the oil filter, please do. Oil and cooling are the two most frequent errors.
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KarmaDos- Hanse 385 - 2013
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Johan Hackman
Admiral of the Fleet
Joined: 24 August 2005 Location: Sweden Status: Offline Points: 4361 |
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Posted: 25 April 2024 at 13:10 |
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Thanks for the reply.
I have now had a little time to check, more time than I hade yesterday night. There is water coming from the exhaust and the oil level is fine. Now, I get the same alarm and red light when I turn the engine on as I get when I just have turned the ignition on. As you all know, the alarm is supposed to go off once the engine is running, but it does not currently do that. In addition the engine cannot be turned off by pressing the rubber button on the panel. Nothing happens. My battery monitor tells me the the engine charges the batteries when on so the electricity is not completely gone. At this moment I am puzzled. Johan |
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Johan Hackman
Admiral of the Fleet
Joined: 24 August 2005 Location: Sweden Status: Offline Points: 4361 |
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Posted: 25 April 2024 at 13:45 |
After having removed the panel it now works to turn of the engine the usual way by pressing the rubber button. I don't know why it changed back to normal. No clue. Johan |
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Johan Hackman
Admiral of the Fleet
Joined: 24 August 2005 Location: Sweden Status: Offline Points: 4361 |
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Posted: 25 April 2024 at 14:04 |
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The alarm does not go off however.
Johan |
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samuel
Admiral of the Fleet
Joined: 26 December 2004 Location: United Kingdom Status: Offline Points: 2770 |
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Posted: 25 April 2024 at 17:53 |
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You have a bad connection somewhere. My approach would be:- Check wires to the alternator. Check the plugs & sockets on the looms. Disconnect them, spray some contact cleaner on them , then re connect. Waggle all the wires/plugs on the control panels & check for loose ones. A bit amateurish but sometimes works. Good luck.
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Daydream Believer- Hanse 311- No GBR9917T- Bradwell Essex
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32mike
Commadore 
Joined: 26 March 2020 Location: FLorida, US Status: Offline Points: 453 |
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Posted: 25 April 2024 at 19:10 |
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Could it be water in the primary fuel filter? The engine will run but the horn might be telling you that you need to drain the water from the water separator.
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Mike
S/V Dulces Sueños 458 #087 Tampa, FL |
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Johan Hackman
Admiral of the Fleet
Joined: 24 August 2005 Location: Sweden Status: Offline Points: 4361 |
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Posted: 26 April 2024 at 08:56 |
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The nature of this thread is that it started in panic.
Just before I left my boat yesterday I realised that there are three red lights that come on when the ignition is on but only the middle of the three stays on while the engine is running. I no longer have any symbols to rely on (see picture) so I just memorized this and downloaded the manual on the way to work only to realise that there are four lights so at the moment I cannot be sure which one it was that stayed on. Once I get back to my boat I will find out, no prob. Anyway, it might be the warning light about water in the sail drive. I am leaning towards a bad connection but does anyone have any experience with water in the sail drive? Johan  Edited by Johan Hackman - 28 April 2024 at 23:56 |
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Johan Hackman
Admiral of the Fleet
Joined: 24 August 2005 Location: Sweden Status: Offline Points: 4361 |
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Posted: 27 April 2024 at 13:12 |
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It is now clear to me that the alarm is the one that indicates "seawater is detected between the seals of the sail drive" according to the manual.
I suppose I will have to find where the sensor for that is located and look for bad connections in the first place. Any ideas? Johan |
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415 Singapore
Vice Admiral 
Joined: 23 September 2013 Location: Singapore Status: Offline Points: 935 |
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Posted: 27 April 2024 at 13:40 |
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Hi Johan
It could be faulty sensor or it could be doing what it is supposed to do! When did you last replace the sail drive seal? We have a Volvo and they say every 7 years, from memory I think Yanmar is a longer interval Good luck Paul
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Paul - Night Train - 415 #136
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Johan Hackman wrote: