62
• If a battery, which is not completely discharged, is charged several times, its
capacity can be reduced.
•
Under normal temperature conditions a battery can be charged and discharged
approx. 500 times before its lifetime decreases.
•
When the pump is not connected to mains power the battery discharges itself
slowly. This can occur even when the pump is not operating.
•
The battery operating time can only be realized if the pump operates
continuously with a fully charged battery at room temperature.
Battery maintenance:
To accurately balance the battery capacity a cyclical battery maintenance is necessary.
The frequency of battery maintenance may be set in the service tool. The battery main-
tenance mode detects a possible capacity loss (e.g. through ageing of the battery pack)
and then the capacity/running time will be calculated anew. After a longer storage
time or a longer operation without battery maintenance it can happen that the battery
pre-alarm time can no longer be maintained. In this case it is necessary to perform a
battery maintenance.
To initiate the discharge process the message „Battery maintenance“ and the
k-key
will be displayed after switching the pump off. By pressing
k and u the discharge
process will start. The process is interrupted by switching the pump on again. If the
battery maintenance is to be continued a new activation is necessary. After completely
discharging the battery it will be completely charged again. The total duration of the
battery maintenance process takes approx. twelve hours.
Caution: Please take into account that, if the battery maintenance has not been
completed there is a possibility of a reduced battery operating time.
Replacing batteries:
The Battery Pack SP can be exchanged by any user. No special qualification is required.
All rechargeable batteries exhibit a reduction in capacity as they age. This aging is de-
pendant on several factors including charging cycles, temperature and battery usage.
It is recommended to periodically check the function of the battery. A battery should
no longer be used if a change of syringe leads to a “Battery nearly empty“ or a “Battery
empty“ alarm when it is fully charged.
Caution: Batteries may explode or leak if they are opened or incinerated. Consider
disposal directions!
BATTERY OPERATION AND MAINTENANCE
Chapter 7
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