6
Instrumentation
Coolant temperature
The coolant temperature symbol shows when the
coolant temperature is too high.
Stop the engine if this lamp lights up during opera-
tion.
WARNING! Continued operation when the coo-
lant temperature is too high can cause serious
engine damage.
Check the coolant level. Please refer to “Mainte-
nance: Freshwater system”.
WARNING! Do not open the coolant filler cap
when the engine is warm this could cause se-
rious engine and personal damage. Steam or
hot fluid could spray out.
Check that the sea water filter, if installed, is not
blocked. Please refer to “Maintenance: Sea water
system”
Check the impeller in the sea water pump. Please
refer to “Maintenance: Sea water system”.
Oil pressure
Voltage
Coolant temperature
Oil pressure
If the oil pressure shows during operation, the oil
pressure in the engine is too low.
Stop the engine at once.
WARNING! Continued operation when the oil
pressure is too low can cause serious engine
damage.
Check the oil level in the engine. Please refer to
“Maintenance: Lubrication system” to check and
top the oil up.
Also check that the oil filter is not blocked. Please
refer to “Maintenance: Lubrication system”
Voltage
The battery lamp shows if the alternator is not char-
ging or voltage is too high, this can be due to a fault
in the electrical system or because the alternator
drive belt is slack.
Stop the engine
Check the alternator drive belt.
WARNING! Do not continue operation if there
is any problem with the alternator drive belts.
This could cause serious engine damage.
Check that there is no poor contact/broken wires.