ELEVATOR SYSTEM AND METHOD OF AUTHENTICATING A COMPUTING DEVICE TO A SAFETY CONTROLLER OF AN ELEVATOR SYSTEM

An elevator system includes a gateway device and a safety controller arranged to monitor at least one safety condition of the elevator system. The gateway device is configured to enable a computing device to establish a connection with the gateway device. The safety controller is configured to: receive first authentication information from the gateway device, wherein the first authentication information is gateway authentication information; check whether the gateway authentication information meets a first authentication condition; if the gateway authentication information meets the first authentication condition, receive from the computing device, via the gateway device, second authentication information; check whether the second authentication information meets a second authentication condition; and if the second authentication information meets the second authentication condition, authenticate the computing device, wherein the authenticated computing device is granted maintenance access to the safety controller including permission to control and/or modify an operation of the safety controller.