Otis LCB-II Board Indicator Light Description

MP off: The motor protection device is normal

RSL flashing: remote serial cable and watchdog are normal

DZ - (off: the car is not in the door area; on: the car is in the door area)

DOB off: The light curtain, light eye, safety touchpad, or door opening button is not activated

DOL off: car door not fully opened

DFC on: door lock and safety chain closed

DW on: Hall door closed

ES off: safety circuit closed

INS illuminated maintenance operation

NOR/diag off: TCI, ERO, NAV, DTO, DTC, ATT, CHC, EFO, EFS, ISC, drive fault

GRP/J off: The phase sequence of the 3-phase input power supply is correct

VLC on: Control board power supply is normal

BC off: The brake control device has detected a fault