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10.5 Obstacle detection
If the photocell or safety contact strip detects an obstacle
in the door CLOSE direction, the door reverses for
two seconds (partial reversion). This prevents injury and
damage to property.
Partial reversion is pre-set at the factory. Full reversion
can be set via SOMlink or DIP switch, see page 24.
The following safety devices are installed to detect
obstacles:
• photocell (object protection)
• safety contact strips (personal protection)
See “Troubleshooting” on page 36.
10. Operation
10.6 Operation after a power failure
The programmed run times and all other values remain
saved in the event of a power failure. After the power
supply has been restored, the first movement of the
operator after a pulse is always door OPEN. The door
moves the entire way into the door OPEN end position.
10.7 Dead man mode/hold to run mode
These operating modes are only possible during
programming of the run times or in the event of faults in
the safety devices.
In dead man mode, door movement is only possible as
long as the command button is pressed. Dead man mode
is not possible via radio.
In hold to run mode, the operator can be operated with
a persistent command via the radio transmitter. In dead
man mode, door movement is only possible as long as
the handheld transmitter button is pressed.
To activate hold to run mode:
1. Press and hold the handheld transmitter button for
10 seconds within sight of the control unit.
⇒ Hold to run mode is activated
⇒ The button must remain pressed
2. Press the handheld transmitter button for as long
as the door is to be moved.
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