Ferrari California, Workshop Manual

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Battery conditioning may be interrupted at any time by simply disconnecting the power cable from the mains
socket.
Always disconnect the mains socket before disconnecting the battery conditioner from the vehicle socket.
CAUTION
Ensure that all lids and doors are closed correctly.
Place the battery conditioner in an easily visible location, away from heat sources and out of the reach of
children.
Engine start is inhibited as long as the battery conditioner is connected to the vehicle socket (even if
the battery conditioner is disconnected from mains power).
1 - Error warning light
2 - Active mode indicator light: mode indicator
3 - Battery conditioning function indicator light: battery conditioning in process
Indicator light (1) lights continuously: to indicate a malfunction of the vehicle electrical system or battery.
Indicator light (2) lights continuously: battery conditioner in “Active” mode. In this mode, the battery is charged
to the optimum level from a lower level.
Indicator light (3) lights continuously: battery is completely charged and battery conditioner is in “Passive”
mode. In this mode, the device maintains battery charge at an optimum level.
Indicator lights (2) and (3) flashing in alternation:
If no lights are lit, one of the following cases may be possible:
After checking the battery conditioner connections (to the mains and to the vehicle socket) and checking for
mains voltage, if lights (2) and (3) indicating the “Active” or “Passive” mode do not illuminate within a few
if the lights flash several times a second, the battery is probably sulphatated;
if the alternating flashing continues for more than
60 minutes , the battery must be replaced;
if the lights flash at intervals of a few minutes, the self-discharge percentage of the battery is high and
battery replacement may be necessary.
the battery conditioner cables may be disconnected;
the battery may be incorrectly connected to the vehicle electrical system;
the battery may be defective;
the battery voltage may be insufficient or there may be no power at the mains socket.