Check CAN bus termination and cables if "Processor Error" appears.
: The brake contact (KB/KB1) is not switching correctly. This is often caused by faulty brake switches, which are known to be sensitive on these systems. 0091 / 0092 (TMMB / I/O Fault) schindler 5500 error codes top
: Codes will alternate with general status messages. "N" indicates Normal operation, while "B" indicates the elevator is Blocked. Check CAN bus termination and cables if "Processor
Check mechanical brakes first. Then, measure resistance across motor windings (U-V, V-W, W-U). Finally, inspect the encoder feedback. measure resistance across motor windings (U-V