The opener is equipped with a manual release cord to disengage the shuttle and move the door by hand while
holding the handle down (Fig.21). Pull on the handle to disengage the shuttle. To re-engage the door simply run the
opener in automatic mode or move the door by hand until the trolley engages in the chain shuttle. In some situations,
if a pedestrian door is not in state, it is recommended that an external disengagement device should be fitted
(Fig.22).
No particular maintenance is required for the logic circuit board. Check the door at least twice a year if it is properly
balanced, and if all working parts are in good working condition or not. Check the reversing sensitivity at least twice a
year and adjust if it is necessary. Make sure that the safety devices are working effectively (photo beams, etc.)
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