Schindler DRZS & LZS need info

Hi

Can anyone please let me know the location and function of the DRZS Button and LZS Indicator lamp is.

Also what is the SEM that it is a part of ???

Thanks

LZS = Located on the SMIC HMI Module / SEM Module (Depending on Bionic version) in the controller cabinet. The LED shows that the supervision system for short headroom or short pit has been triggered.

DRZS = Press to reset the supervision system for short headroom or short pit fault.

SEM = Evacuation Module.

/Alex

Thanks Alex for the info.