Maintenance and inspection procedures
Electrical inspection
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Lucea 50_100
01740 EN 01
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4.5.1.1 Battery capacity and charge times
Battery control keypad
Fig.35: Example of a double remote control unit
Meaning of operating LEDs for a customer backup
Symbol Status Meaning
Mains symbol displayed in
green
Operation on mains power
Mains symbol displayed in yel-
low/orange
Switchover to external backup
Mains symbol displayed in red Power cut-off imminent (level
of external backup <20V).
A bargraph with six different levels shows the level of the external backup
One LED lit red External backup at a very low
level
Two LEDs lit orange External backup at low level
Three LEDs lit orange External backup at relatively
low level
Four LEDs lit green External backup at relatively
good level