Loosen the wire to the alternator and/or battery
charger and carry out measurement C.
Is the measured voltage equal to the battery
voltage?
Faulty diode splitter.
Carry out measurement D.
Is the measured voltage equal to the battery voltage?
Fault in installation; see page 16, (1).
Is the measured voltage exactly 0 volt?
The connection to the battery is interrupted.
Is the measured voltage 'A' equal to the nominal
charge voltage?
Exchange the batteries by connecting them to an
other terminal of the diode splitter.
Carry out measurements B.
Does the voltage remain unchanged at the same
battery terminal of the diode splitter?
Faulty diode splitter.
Diode splitter
YES
YES
YES
YES
YES
NO
NO
Installation is correct.
NO
The battery is nearly fully
discharged.
NO
Faulty alternator or battery
charger; see page 16, (3).
NO
Faulty battery.
15
9.0305