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Jan 23rd, 2013
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alarm on motor at idle #13080014 03/02/19 09:40 PM
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dpdpete Offline OP
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I have a 2017 Mercury Pro XS 2 stroke. I get a beeping alarm when I have been idling looking at my graph for more than a few minutes. The oil reservoir is full and just had a new impeller put in. Motor pees fine and none of the intake are blocked. My research said to try all that I just mentioned but still getting it. Usually when the alarm starts beeping, I put the engine in Neutral and it goes off. A sensor or Thermostat is my next guess. Anybody have similar experience or can you point me in the right direction? Thanks.

Re: alarm on motor at idle [Re: dpdpete] #13080028 03/02/19 09:58 PM
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RedRanger521 Offline
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sent you a PM

I'm having same issues


RR521


[Linked Image][Linked Image]
Re: alarm on motor at idle [Re: dpdpete] #13080426 03/03/19 12:51 PM
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pocove Offline
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I am also be interested in this, as I have an older 115HP mercury that does the same thing.

Re: alarm on motor at idle [Re: dpdpete] #13080522 03/03/19 02:57 PM
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dpdpete Offline OP
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I am taking it in next week to the dealership so I will let you know what they find out.

Re: alarm on motor at idle [Re: dpdpete] #13080626 03/03/19 04:30 PM
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Jimfishes Offline
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Last time mine did this it was the fuel/water separator. I changed it out myself and problem solved!

Re: alarm on motor at idle [Re: dpdpete] #13080955 03/03/19 10:45 PM
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nxt Offline
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Had the same issue a couple of weeks ago. It was the sensor inside the remote oil tank (on the motor). You can unplug the two wires for the sensor, if it stops, then you know. Good luck.


Mac
Re: alarm on motor at idle [Re: dpdpete] #13081033 03/04/19 12:18 AM
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OPTI Offline
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Could be a couple of things oil tank float engine running cold at idle. you will only get one warning of six beeps which is a non critical warning during each key cycle. FYI if you ever get a solid 6 second warning that is a critical warning and will go into guardian depending on the the severity of the problem and it will pull out a percentage of power. If it is at idle I would suspect trash in the thermostats......OPTI

Re: alarm on motor at idle [Re: dpdpete] #13081729 03/04/19 06:17 PM
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Stump jumper Offline
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I have a solid beep on Optimax and no beep beep when I turn key to on. I guess the previous owner got tired of it so he just cut the beeper out. I reinstalled one. When I pulled the tan/blue wire on the tstat the beeping stopped. I heard that this was a common problem on Optimax's. After installing a new tstat I still have the beep so trying to figure out what to do next. Not having a warning system working right really annoys me.


2200 Bay Champ/200 Mercury Optimax
2017 Tundra TSS 4x4 Crewmax 5.7L
Re: alarm on motor at idle [Re: dpdpete] #13082733 03/05/19 02:35 PM
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boatman025 Offline
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Most Likely have trash in thermostat and they need cleaned out


Hughes Marine
3855 Osage Lane
Wylie ,Texas
Re: alarm on motor at idle [Re: dpdpete] #13083150 03/05/19 09:25 PM
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bradnitro175 Offline
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I don't have a optimax but have read stuff on compressor strainers,might look into that.


Originally Posted by Mark Perry
Next thing you know you will be calling a Dr. Pepper a pop and putting chili on spaghetti.

Re: alarm on motor at idle [Re: dpdpete] #13098797 03/21/19 11:12 AM
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dpdpete Offline OP
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The verdict was that there was debris that had worked its way up into the thermostat. Once that was cleaned out, it ran fine with no alarms

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