Horn alarm going off during warming up. Mercury 200

[squidbefsh]

Hello.  Was warming up my Optimax 200.  1999  P – 3.  Just had water pump service last week.  Got 3 bars up on the temp sensor on my super dash.   Had thermostats replaced as well to the 130 degree units.  Anyone know what the horn alarm goes to. Shop said i was all good when i left and they had  run a code check for me.  Thanks for your help.  Brian Chance

[Bass Cat Boats]

The Oil section doubles as a heat alarm. Check that for a solid bar, and that flashes when you turn the ignition key off, and turns out when the key is on. It will flash when it’s low on oil or has an oil pump issue, the solid segment window is heat. When it goes solid the engine is coding heat.

[squidbefsh]

Hello.  So it turned on after warming up for 4-5 minutes.  If it was an oil issue wouldn’t that come up sooner?  Thanks

[Bass Cat Boats]

No matter what you are trying to figure out, either way it should be checked by a Mercury technician before something finally breaks.

[squidbefsh]

Hello.  Updated info.  Had them drop the lower and the tube had a crack in it allowing air to get in and not all the water to go up.  Got the tube replaced and no alarms . I guess that’s what happens to a 24 year old motor.  Thanks. Brian Chance

[Author]

Posts