15
Instruments and controls
Charging
The warning light is on when the generator is not charging.
If the light comes on while driving this means that there is a
fault in the electrical system or that the generator belts are
slipping.
To avoid damage to the bus’s electronics, the charging sys-
tem is equipped with a guard that ”shuts down” the genera-
tor if it supplies overvoltage (transients). The warning light
will also go in this instance. The transient guard is reset
when the engine is turned off and restarted.
The warning light should light up when the starter key is in
the drive position and the engine is not running. When the
engine starts, the light should go out .
Buses with two generators have two warning lights; one for
each generator.
Voltmeter (option)
Indicates the battery’s electrical system voltage. If the indi-
cator goes into the lower red zone, the generator and
charge regulator should be checked. If the indicator goes
into the upper red zone, the charge regulator should be
checked.
Instrument lighting, rheostat
Turning clockwise gives stronger instrument lighting, turn-
ing anti-clockwise gives weaker.
The light is on:
generator
not charging!
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Other electrical components and lights
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