Fronius Acctiva Smart 25 A Instructions De Service page 66

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.
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If Charging mode is still required despite the battery being in a state of extreme
deep-discharge
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Serious injury and material damage can result, in particular due to short circuits,
arcs and oxyhydrogen explosions.
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A corresponding warning appears
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 subse-
quent selection window.
Confirm the selection using the Stop/Start key
WARNING!
Danger if battery is not monitored during conservation charging.
Visually inspect the battery at a regular interval as specified by the manufac-
turer (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 immedia-
tely 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 con-
ditions
- Conservation charging counteracts
battery self discharge.
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