What is the currently displayed on your service tool? What are the statuses of the MP and VLC LEDs ?
Verify physical switch alignment at the top and bottom of the hoistway. Use menu M-1-3 to observe if inputs 7LS and 8LS transition from high to low when the car passes the terminal zones. Fault: 0302 - Door Interlock Open
Press to view real-time input signals (e.g., UI, DI, door switches). otis lcb ii manual verified
Always operate, maintain, and troubleshoot using a verified and version-correct Otis LCB II manual. Your safety, and the safety of the passengers who rely on your work every day, depends on it.
on the URM to clear drive-related low voltage errors after a fuse replacement. For detailed parameter adjustment, refer to the MCS - LCB II List of Parameters What is the currently displayed on your service tool
Indicates group operation status. On or blinking means communication with other cars is active.
The LCB II commanded a run, but the inverter/drive unit failed to return a "Drive Ready" signal within the timing window. Use menu M-1-3 to observe if inputs 7LS
The Service Tool Manual references thousands of adjustable parameters. The verified "map" for these is the (Field Component Manual P/N: GCA 21240 D VIIIa). A genuine copy will be dated June 27, 1995, and contain a revision history with over a dozen updates by Otis engineers, confirming its authority. This manual is used during initial setup to set the TOP floor, LOBBY position, and BOTTOM floor, configure the OPERAT (operation type), and set PI (position indicator) type, among hundreds of other parameters.
Open your LCB II cabinet. On the main CPU board (usually the bottom-right board), find a silkscreen marking like: