Electrical system
The engine is equipped with a 2-pole electrical system and an alternator. System voltage is 24V.
WARNING! Before any work is done on the electrical system, the engine must be stopped and the current
cut by switching off the battery isolator. Shore current for engine heaters, battery chargers or other auxiliary
equipment connected to the engine must be disconnected.
WARNING! If maintenance has to be carried out on a powered up system, set control system to LOCAL
MODE to prevent remote start.
Main switches
The main switches must never be disconnected
before the engine has been stopped. If the circuit
between the alternator and the batteries is discon-
nected when the engine is running, the alternator and
electronics can be damaged. The charging circuits
must never be re-connected with the engine running,
for the same reason.
IMPORTANT! Never disconnect the current with
the main switches when the engine is running.
Fuses
The engine is fitted with two automatic circuit brea-
kers.The circuit breakers cut the power if the system
is overloaded.
If it is not possible to start the engine or if the instr u-
ment stops working while running, the circuit breaker
may have been activated. Reset by pressing in the
circuit breaker.
If the fault persists, read out the flash codes and take
the necessary measures.
IMPORTANT ! Always investigate the cause of
the overload!
Control and monitoring system
The control system system is protected through the
engine circuit breakers.
IMPORTANT ! Always investigate the cause of
the overload!
Electrical connections
Check that electrical connections are dry, free from
oxide and that they are securely tightened. Spray
these connections as necessary with water-repellent
spray (Volvo Penta universal oil).
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Maintenance. Electrical system
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