Witt Sensoric LIGI-10 FLEX Series, Original Operating Instructions

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Safety instructions

Recommendation for optimal procedure.

Risk of death in the case of non-observance.

•  The safety instructions in the operating manual must be observed.

•  Installation and electrical connection may only be carried out by trained personnel.

•  The safety light curtain complies with the requirements of Category 2 and PL=d 

as per EN 13849-1 and must be integrated into the operating procedure in a fault-

free manner in accordance with the applicable regulations and standards in order 

to achieve proper protective functioning.

•  In accordance with EN 12978, the safety light curtain is suitable for all door types 

apart from sluice and dock gates, lift doors, vehicle doors, gates used mainly in an-

imal husbandry, textile theatre curtains, railway level-crossing barriers, barriers that 

are used solely for vehicle traffic, and dangerous machines that are not doors.

•  During mounting, installation and commissioning, it must be ensured that the pho-

to switch system cannot be influenced by other photo switch systems or sources of 

infrared light.

•  The applicable standards and regulations – particularly EN 12453 (Safety in use of 

power operated doors) – are to be observed during mounting, installation, commis-

sioning, maintenance and repair.

•  Strictly observe the regulations of the EN12978 when connecting safety devices 

on power operated doors. 

•  The manufacturer assumes no liability for damage caused by operation and con-

nection errors, non-observance of the operating manual or lack of maintenance or 

care; the manufacturer wishes to draw attention again to the possible hazardous 

situations that can arise in this way.

•  Notwithstanding conformity with harmonised standards, it is not possible to 

foresee every potential risk. For this reason, persons should only be present in the 

hazardous area when necessary.