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BATTERY OPERATION AND MAINTENANCE
Chapter 6
storage time or a longer operation without battery maintenance the battery
pre-alarm time may no longer be maintained. In this case it is necessary to per-
form 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 approximately twelve hours.
C
aution: When the battery maintenance has not been completed there
is a possibility of a reduced battery operating time.
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