If available, toggle the Independent Service key switch ON and then OFF to trigger a system reset. Alarm Button Hold:
As a last resort, cycle the main power breaker off and on to reboot the control system. Prefeitura de São Paulo Maintenance & Learning Runs For systems that have been serviced or need recalibration: OTIS Elevator LCB-2 Fault Codes Guide | PDF - Scribd xizi otis elevator manual fixed