Instructions for Use T-1929 e 11
4.7 Operation in the Event of a Power Failure
Depending on the equipment installed, the following functions are possible:
With 6 V battery module u
– In operating mode AUTO: The door opens immediately and remains open.
– In operating mode OFF: The door remains closed if it was locked mechanically at the moment of
power failure. Otherwise the door opens and remains open.
– When power is restored the door closes again and functions according to the set operating mode.
With battery unit u
– Continued operation of the system by means of a battery unit u for a specific time with the doors
opening before the battery switches o. The door remains locked in operating mode OFF.
– Unlocking and opening of the door from outside by means of a key switch and the battery unit u.
– When power is restored the door closes again and functions according to the set operating mode.
Without 6 V battery module u / battery unit u
– In operating mode AUTO or OPEN: The door stands still and is then freely movable.
– In operating mode OFF: The door remains locked if a lock is installed. Otherwise the door leaves
are freely movable.
– When power is restored the door closes again and functions according to the set operating mode.
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