Test mode
General remarks
Establishing
Important! During test mode, disconnect the charging circuit being used from the mains
connection to
using the charging circuit switch. The charging circuit draws its supply from the battery
battery/discon-
being tested.
necting
1.
2.
3.
4.
Testing the
The charging circuit is measuring the open circuit voltage of the battery. If the battery
battery open
was not used or charged for at least two hours, then this is referred to as open circuit
circuit voltage
voltage.
Display after establishing the connection with the battery:
1.
2.
3.
WARNING! Risk of injury and damage from exposed, rotating vehicle parts.
When working in the vehicle's engine compartment, take care that hands, hair,
items of clothing and charger leads do not come into contact with moving parts,
e.g. fan belt, fan, etc.
NOTE! All battery test results are for information only and may differ from the
actual values. The charging circuit checks the entire system. The results are
therefore to be seen as recommendations only.
Switch off engine and ignition, shed all loads
Move the charging circuit switch to the „O" position
Connect (+) charging terminal to positive pole (red) on battery
Connect (-) charging terminal to negative pole (black) on the battery, or to vehicle
body (e.g. engine block) in the case of vehicle power supplies.
All display elements on the display are activated.
Charging circuit measures the battery open circuit voltage
Charging circuit displays the battery open circuit voltage
100%
Battery ready for use
80%
50%
Charge the battery
3
20%
0%