Two F25G(F25C) with 6YC display don’t show alarms

[skysurfer]

I have two F25G(F25C in the US) installed on my sailing catamaran with a 6YC display connected to them and two 703 trottels.
The port side engins 703 have given a constant audio alarm after say 15 min of running but the display have not showen any alarms.
I have checked both cooling water and oil level but I can’t find anything wrong and as I said no alerts or alarm on the display.
The display show normal water temp, rpm shows.
Any reports that F25G(F25C) don’t send this on the communication bus.

[boscoe99]

OM for the 6YC indicates it is compatible with a fuel injected F25C model. Manual says it provides over temperature and low oil pressure alerts.

It does not monitor for oil level. It monitors for oil pressure.

[skysurfer]

How do I check the oil pressure? I did check the oil level to determin that it was oil in and at the correct level(oilstick)

[fairdeal]

you can remove the oil pressure switch and plumb in a gauge -
(btw the sending unit thread is 1/8" BSP)

while you have the switch out you can check that it operates correctly:
closed (continuity) at zero pressure,
opens (no continuity) at ~4.3–8.5 psi (and staying open above)

you could also simply swap the switches between your engines
and see if the problem moves

[skysurfer]

Sounds like a solution fairdeal.
But where is the switch located?

[99yam40]

15 minuets run time could be overheat

[TownsendsFJR1300]

15 minuets run time could be overheat

+100 ^^^^.

When the last time the water pump was replaced?


The oil pressure, if low, shouldn't take 15 minutes to activate the alarm...