1998 merc 200hp constant alarm

[buddy hillhouse]

I have a 1998 merc 200 hp efi that has a constant alarm going off. What is a constant alarm cause?

 

[faztbullet]

Water in fuel filter, oil module failed, low oil in onboard tank,low oil in engine tank

 

[Knightro]

It would be helpful to understand which alarm you are referring to? There are many alarms on a boat, can you be more specific?

 

[racerone]

Overheating is also a constant alarm.