Drive DeVilbiss Healthcare Gravis FLP500, Руководство пользователя

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4. Charge battery when battery is kept or without being operated for more than 3 months.
It is quite easy and simple to charge battery, but you should follow the charging
instructions closely. Please pay particular attention to the following points, they will
help a lot to avoid problems with discharged batteries.
WARNING

The power system include battery, charger, hand control and control box, actuator are
not to be repaired or opened by unauthorized personnel. (Contact your distributor for
warranty and repairs).

Never touch battery/charger terminals with any metal object.

KEEP the batteries fully charged. Place the battery on the charge whenever it is not in
use. If it is more convenient to do so, place on charge every night. The charger will
not make the batteries to overcharge.

NEVER run the batteries completely exhausted. As soon as there is an audible
warning sounds, complete the lifting operation in hand and charge battery.

To avoid possible permanent damage to the battery, the battery should be being
charged as soon as the display indicates the half remaining battery symbol.

NEVER store the battery for long periods without regular charging throughout the
storage period. It is suggested to charge battery 3 months once at least.

Do not leave the battery pack connected with the charger unit unplugged.

DO NOT leave the charger plugged in with no battery connected.

NEVER disconnect the charger plug by pulling on the cable.

BE CAREFUL not to trip over the charger cable lead.

DO NOT charge batteries in wet environment or a bathroom or shower room.