The elevator attempted to close the doors, but the landing door interlock circuit (safety chain) failed to establish continuity. This typically signals misaligned door clutch locks, worn interlock contacts, or distorted door panels.
Blinks rapidly during normal operation; solid or off during a fault. schindler 5500 error codes verified
Drive errors usually point to the regenerative drive system, inverter modules, or the permanent magnet motor. The elevator attempted to close the doors, but
The microswitches monitoring the mechanical brake arms did not open or close within the allocated time window. worn interlock contacts