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Dec 30th, 2023
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 alarm on motor at idle
#13080014
03/02/19 09:40 PM
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Joined: Jul 2009
Posts: 253
dpdpete
OP
Angler
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OP
Angler
Joined: Jul 2009
Posts: 253 |
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.
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Re: alarm on motor at idle
[Re: dpdpete]
#13080028
03/02/19 09:58 PM
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Joined: Jan 2004
Posts: 674
RedRanger521
Pro Angler
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Pro Angler
Joined: Jan 2004
Posts: 674 |
sent you a PM
I'm having same issues
RR521
![[Linked Image]](https://i.postimg.cc/z3hNCpWB/2022-CAYMAS-pdf2.png) 2022 Caymas CX21Pro, Mercury 250 4 Stroke, 52" Ultrex 112 MS I Pilot Link, HBird M360, Two 16"Apex MSI+, Two Garmin EchoMap 126 Ultras, Two LVS34, PowerPole Blades
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Re: alarm on motor at idle
[Re: dpdpete]
#13080426
03/03/19 12:51 PM
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Joined: Dec 2007
Posts: 112
pocove
Outdoorsman
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Outdoorsman
Joined: Dec 2007
Posts: 112 |
I am also be interested in this, as I have an older 115HP mercury that does the same thing.
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Re: alarm on motor at idle
[Re: dpdpete]
#13080522
03/03/19 02:57 PM
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Joined: Jul 2009
Posts: 253
dpdpete
OP
Angler
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OP
Angler
Joined: Jul 2009
Posts: 253 |
I am taking it in next week to the dealership so I will let you know what they find out.
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Re: alarm on motor at idle
[Re: dpdpete]
#13080626
03/03/19 04:30 PM
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Joined: Jun 2011
Posts: 2,235
Jimfishes
Extreme Angler
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Extreme Angler
Joined: Jun 2011
Posts: 2,235 |
Last time mine did this it was the fuel/water separator. I changed it out myself and problem solved!
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Re: alarm on motor at idle
[Re: dpdpete]
#13080955
03/03/19 10:45 PM
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Joined: Sep 2015
Posts: 138
nxt
Outdoorsman
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Outdoorsman
Joined: Sep 2015
Posts: 138 |
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
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Re: alarm on motor at idle
[Re: dpdpete]
#13081033
03/04/19 12:18 AM
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Joined: Jun 2004
Posts: 1,509
OPTI
Extreme Angler
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Extreme Angler
Joined: Jun 2004
Posts: 1,509 |
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
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Re: alarm on motor at idle
[Re: dpdpete]
#13081729
03/04/19 06:17 PM
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Joined: Apr 2004
Posts: 14,088
Stump jumper
TFF Guru
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TFF Guru
Joined: Apr 2004
Posts: 14,088 |
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
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Re: alarm on motor at idle
[Re: dpdpete]
#13082733
03/05/19 02:35 PM
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Joined: Jul 2010
Posts: 1,352
boatman025
Extreme Angler
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Extreme Angler
Joined: Jul 2010
Posts: 1,352 |
Most Likely have trash in thermostat and they need cleaned out
Hughes Marine
3855 Osage Lane
Wylie ,Texas
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Re: alarm on motor at idle
[Re: dpdpete]
#13083150
03/05/19 09:25 PM
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Joined: Jul 2008
Posts: 7,661
bradnitro175
TFF Celebrity
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TFF Celebrity
Joined: Jul 2008
Posts: 7,661 |
I don't have a optimax but have read stuff on compressor strainers,might look into that.
BIG FAT BASS LIVES MATTER
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Re: alarm on motor at idle
[Re: dpdpete]
#13098797
03/21/19 11:12 AM
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Joined: Jul 2009
Posts: 253
dpdpete
OP
Angler
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OP
Angler
Joined: Jul 2009
Posts: 253 |
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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