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6
If the battery voltage selection window does not open, then the battery is in a state of
extreme deep-discharge (less than 2 V). In this case, it is advisable to use Refresh mode
to reactivate the deep-discharged battery. For more information, see the "Refresh mode"
section.
-
A corresponding warning appears
If Charging mode is still required despite the battery being in a state of extreme deep-
discharge
-
Acknowledge the warning via the OK button using the Stop/Start key.
-
Use the Up/Down keys to select the correct battery voltage in the subsequent selec-
tion window.
-
Confirm the selection using the Stop/Start key
WARNING!
*)
Danger if battery is not monitored during conservation charging.
Serious injury and material damage can result, in particular due to short circuits, arcs
and oxyhydrogen explosions.
▶
Visually inspect the battery at a regular interval as specified by the manufacturer
(but at least once per week) to ensure the battery is filled to the max. marking with
acid.
▶
In the event of the following, do not start the device or switch it off immediately and
have the battery checked by an authorised workshop:
Uneven acid levels or high water consumption in individual cells
Impermissible warming of the battery to above 55 °C (131 °F).
Set the correct battery voltage using the Up/Down keys (6V /
12V / 24V).
Confirm the selection using the Stop/Start key
-
A set of four bars shows the state of
charge of the battery (e.g. three bars
represent a state of charge of 80%).
-
All four bars are continuously dis-
played.
-
The state of charge is 100%.
-
The battery is ready to use.
-
The battery may remain connected to
the charger under certain conditions
-
Conservation charging counteracts
battery self discharge.
*)
.
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