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Jan 23rd, 2013
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2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. #12326723
07/06/17 05:27 PM
07/06/17 05:27 PM
Joined: Apr 2012
Posts: 1,781
Ft Worth, Tx
I
I love fishing Offline OP
Extreme Angler
I love fishing  Offline OP
Extreme Angler
I

Joined: Apr 2012
Posts: 1,781
Ft Worth, Tx
Hi Fellow Anglers. I need help on why my motor is beeping four times every two minutes. It happened on July 4th. Last time this happened was my oil reservoir was low two years ago and the oil reservoir in the engine compartment was not full due to cavitation after I filled it back up. This time it was beeping and I checked my oil reservoir it was 80% full and the reservoir in the engine compartment is full too. I cracked the cap loose and the oil was seeping out while the motor was running. Is it possible the sensor is bad? If so where is the sensor located? What other area should I checked? Any suggestions or help will be gravely appreciated. Thank you for your time.

Guy

Last edited by I love fishing; 07/06/17 05:28 PM.
Re: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: I love fishing] #12326765
07/06/17 06:00 PM
07/06/17 06:00 PM
Joined: Dec 2014
Posts: 1,664
Euless
M
Muzzlebrake Offline
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Muzzlebrake  Offline
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Joined: Dec 2014
Posts: 1,664
Euless
LOW OIL LEVEL: The low oil level warning is activate when the remaining oil in the mounted oil resevoir tank drops below 50 fl. oz.... WARNING HORN EMITS A SERIES OF FOUR BEEPS.

ENGINE OVERHEAT: HORN SOUNDS CONTINUOUSLY

ENGINE OVERSPEED: INTERMITTENT BEEP until engine speed drops below MAXIMUM RPM.

ELECTRICAL SENSOR NOT FUNCTIONING: If the TPS, MAP, or CTS is not functioning, or is out of it's "pre-programmed diagnostic range", the warning horn will sound INTERMITTENTLY.

WATER IN FUEL WARNING: SERIES OF FOUR BEEPS.


From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."

Then He made the earth round...and He laughed and laughed and laughed!

Re: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: I love fishing] #12326795
07/06/17 06:19 PM
07/06/17 06:19 PM
Joined: May 2003
Posts: 11,496
Littlefield Tx & Lake A. H. US...
gary purdy Offline
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gary purdy  Offline
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Joined: May 2003
Posts: 11,496
Littlefield Tx & Lake A. H. US...
You really need to get a scanner. Water in your fuel or your oil level sensor or tank float could be bad. Everyone that owns an Optimax should have one of these: http://www.rinda.com/acro/prodlist.pdf


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: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: I love fishing] #12326829
07/06/17 06:42 PM
07/06/17 06:42 PM
Joined: Jun 2015
Posts: 45
yandeltx Offline
Outdoorsman
yandeltx  Offline
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Joined: Jun 2015
Posts: 45
I am betting on a stuck float inside the tank mounted on the engine. Try taking the lid off and use a wire to hook the float and drag it to the top and see if the beeps go away.

Re: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: I love fishing] #12327534
07/07/17 03:23 AM
07/07/17 03:23 AM
Joined: Jun 2011
Posts: 1,542
Texas Waters
W
Woods & Water Offline
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Woods & Water  Offline
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Joined: Jun 2011
Posts: 1,542
Texas Waters
Mine did the same thing last year and oil level was fine. I changed fuel filter water separator under cowling.....fixed issue.

Re: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: I love fishing] #12327881
07/07/17 01:34 PM
07/07/17 01:34 PM
Joined: Dec 2013
Posts: 322
Cedar Creek Lake
Capt Jerry Offline
Angler
Capt Jerry  Offline
Angler

Joined: Dec 2013
Posts: 322
Cedar Creek Lake
Mine did this. Replaced the engine-mounted plastic tank to fix it. Common problem.


________________________________________

I fish because the voices in my head tell me to.
Re: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: I love fishing] #12331451
07/10/17 12:43 AM
07/10/17 12:43 AM
Joined: Jun 2016
Posts: 2,359
Hitchcock,Tx.
V-Bottom Offline
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V-Bottom  Offline
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Joined: Jun 2016
Posts: 2,359
Hitchcock,Tx.
Replace your Oil Reserve tank...$136.00 Do Not try to rebuild it. BEEN THERE......Check to see if the Main Oil Tank Filler CAPS are tight and not sucking air!!

Last edited by V-Bottom; 07/10/17 12:46 AM.

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Re: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: I love fishing] #12331974
07/10/17 01:55 PM
07/10/17 01:55 PM
Joined: Jun 2016
Posts: 2,359
Hitchcock,Tx.
V-Bottom Offline
Extreme Angler
V-Bottom  Offline
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Joined: Jun 2016
Posts: 2,359
Hitchcock,Tx.
This Oil Reserve Tank issue has been an ongoing thing for yrs.Of Course Mercury knows about it and local Mercury techs here have been beating their gums with Mercury and getting no answers.

Last edited by V-Bottom; 07/10/17 01:56 PM.

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Re: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: I love fishing] #12333357
07/11/17 02:16 AM
07/11/17 02:16 AM
Joined: Apr 2012
Posts: 1,781
Ft Worth, Tx
I
I love fishing Offline OP
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I love fishing  Offline OP
Extreme Angler
I

Joined: Apr 2012
Posts: 1,781
Ft Worth, Tx
I'm thinking of replacing the fuel filter/water separator first. I didn't realized the oil reservoir is that expensive at $136. Wow! Thanks for suggestions everyone.

Last edited by I love fishing; 07/11/17 02:16 AM.
Re: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: I love fishing] #12333712
07/11/17 11:42 AM
07/11/17 11:42 AM
Joined: May 2003
Posts: 11,496
Littlefield Tx & Lake A. H. US...
gary purdy Offline
TFF Guru
gary purdy  Offline
TFF Guru

Joined: May 2003
Posts: 11,496
Littlefield Tx & Lake A. H. US...
Better be happy it`s not a 90-115 Optimax. They are over 400 bucks.


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: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: I love fishing] #12339884
07/14/17 09:13 PM
07/14/17 09:13 PM
Joined: Apr 2012
Posts: 1,781
Ft Worth, Tx
I
I love fishing Offline OP
Extreme Angler
I love fishing  Offline OP
Extreme Angler
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Joined: Apr 2012
Posts: 1,781
Ft Worth, Tx
I wish I had known about the oil tank issues otherwise I would had gone with 4 strokes. I haven't got a chance to look into it yet since the boat is at the lake. I'll keep your updated. Thank you for everything.

Last edited by I love fishing; 07/14/17 09:13 PM.
Re: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: I love fishing] #12340127
07/15/17 12:07 AM
07/15/17 12:07 AM
Joined: Apr 2012
Posts: 1,781
Ft Worth, Tx
I
I love fishing Offline OP
Extreme Angler
I love fishing  Offline OP
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Joined: Apr 2012
Posts: 1,781
Ft Worth, Tx
I'm checking into the issue now. It's a faulty float switch in the oil tank. I've checked the sensor with a magnet and it showed continuity. Apparently the float became separated from the magnet in the oil tank. The oil system is working properly and my main question is couldn't I just jump around the sensor? I mean what harmed will that cause besides I just needed to monitor my oil level. Any experts here object or have an opinion? Thank you

Last edited by I love fishing; 07/15/17 12:08 AM.
Re: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: I love fishing] #12340391
07/15/17 02:41 AM
07/15/17 02:41 AM
Joined: Aug 2016
Posts: 247
ShinerInTx Offline
Outdoorsman
ShinerInTx  Offline
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Joined: Aug 2016
Posts: 247
I'm no expert. But remember how you said that sensor saved your bacon?

Re: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: V-Bottom] #12340418
07/15/17 03:04 AM
07/15/17 03:04 AM
Joined: Feb 2015
Posts: 2,167
Magnolia, TX
F
Flippin-Out Offline
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Flippin-Out  Offline
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Magnolia, TX
Originally Posted By: V-Bottom
Replace your Oil Reserve tank...$136.00 Do Not try to rebuild it. BEEN THERE......Check to see if the Main Oil Tank Filler CAPS are tight and not sucking air!!


You're in the right ballpark on something to check, but the description you give is incorrect. The caps on the remote oil tank do need to be properly sealed, but they will not "suck air" if loose. The outboard actually pressurizes the tank via an air hose so that oil is forced up the other hose into the engine-mounted reservoir. If the caps are loose or the system otherwise leaks, air will exit (not "suck" into)
preventing oil from being pushed up the oil line.

Re: 2013 Mercury Optimax 150 -Beeps Four Times Every Two Minutes Help Please. [Re: I love fishing] #12340434
07/15/17 03:10 AM
07/15/17 03:10 AM
Joined: Feb 2015
Posts: 2,167
Magnolia, TX
F
Flippin-Out Offline
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Flippin-Out  Offline
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Joined: Feb 2015
Posts: 2,167
Magnolia, TX
Originally Posted By: I love fishing
I'm checking into the issue now. It's a faulty float switch in the oil tank. I've checked the sensor with a magnet and it showed continuity. Apparently the float became separated from the magnet in the oil tank. The oil system is working properly and my main question is couldn't I just jump around the sensor? I mean what harmed will that cause besides I just needed to monitor my oil level. Any experts here object or have an opinion? Thank you


So, you have an oil reservoir mounted under the engine cowling that you can't see. If for any of 1000 reasons, it empties thereby denying lubrication to the engine, you're OK with that? If that reservoir empties while at high RPM - with no sensor to monitor the oil supply - how many seconds do you think the outboard will run before seizure?

Monitoring oil level in the remote tank does not insure oil is reaching the engine. Many things can go wrong that would interfere - as simple as a loose cap, or a kinked oil line. I'm sure others can list many other simple risks - those were just examples. You can run without the sensor; that will likely give you an opportunity to replace the two stroke with a new 4-stroke engine that will also have known service issues.

Last edited by Flippin-Out; 07/15/17 03:12 AM.
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