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4 Maintenance
4 Maintenance
Installing the emergency battery
CautION
Danger of explosion when using incorrect
battery types
in the event of using a battery not recommend-
ed by eHret, the liability and warranty obliga-
tions of eHret do not apply.
only use the battery recommended by
eHret, part no. 6406
Emergency battery (op-
tional), 9.6 V / 1600 mAh
.
NOtES
the emergency battery must be recognised by
the drive to be functional. it can only be rec-
ognised when mains voltage is present. if the
battery is connected without mains voltage ap-
plied, it will not function.
the battery becomes functional when the
mains voltage has been re-applied at least once.
the battery may discharge during installation.
it must then be recharged via the drive con-
nected to the mains voltage. this can take up
to 24 hours.
Dismantle the cover using the 6360
cover
remover