Installation and operating instructions MHS400 smart
05.2017 7
3.3 Information on safety cut-off and jam protection
General information on safety cut-off
As soon as the path of a lift & slide sash becomes blocked (e.g. due to an obstacle or because it is stuck), it stops, moves for
approx. 4 seconds in the opposite direction and then comes to a final stop (see figure below).
For increased safety in the area around the bottom shear points between the lift & slide sash and the HS frame, in normal
motor-powered operation, the lift & slide sash only moves as far as a defined opening position.
Lift & slide sash moves ... ... hits an obstacle and stops... ... then moves for approx. 4 seconds
in the opposite direction and stops
Safety shutdown in systems with light curtain
If additional safety requirements apply, the optional terminal board must be ordered. To prevent injuries and damage, the saf-
ety cut-off function is activated, which causes the lift & slide sash to stop immediately. If equipped with a light curtain, the lift &
slide sash is opened fully to its stop.
Lift & slide sash moves ... ... an object moves into the safety zone... Lift & slide sash stops
3.4 LED indicator
The LED is attached to the lower edge of the slide drive SA. Please note the light indicators in the LED. The indicators and their
meanings are listed in the table below:
Function and meaning LED
System test Flashes yellow or red/green alternately
Teach in Flashes red
Move in direction of "Open" position Continuously green
Move in direction of "Close/Lock" position Continuously red
10-min. night vent (timer running) Flashes green
Night vent (without timer) Off
Intermediate stop (limited opening width) Off
Locked Off
After a power failure Flashes red
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General