Fault Phenomenon: Konecranes automated rail-mounted gantry crane suddenly stops during operation, displaying “”Navigation Lost.”

Troubleshooting Process:
– Checked laser scanner: lens dirty.
– Checked reflectors: reflector knocked out of alignment.
– Checked map matching: software algorithm error.
– Cleaned lens, corrected reflectors, restarted navigation system.

Root Cause: The laser navigation sensor lens was contaminated, preventing it from recognizing environmental features.

Required Parts: Optical cleaning kit.