LL
Machine Tilted
Kone · Elevator Control
What does LL mean?
The machine has detected a tilt condition beyond acceptable limits, indicating a potential stability risk. This critical condition disables both lifting and driving.
Common Causes
- Machine operating on an uneven surface or exceeding the maximum allowable slope.
- Tilt sensor malfunction or incorrect calibration.
- Unstable ground conditions.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Verify the physical level and stability of the elevator car/machine using appropriate leveling tools.
- 2
Inspect the tilt sensor unit (inclinometer) for physical damage, debris, or improper mounting/alignment.
- 3
Check all associated wiring and connectors between the tilt sensor and the Kone Elevator Control unit for loose connections, damage, or corrosion.
- 4
Verify the reported status of the tilt sensor in the Kone Elevator Control's diagnostic interface to confirm the sensor's current output signal.
Verified technical data. Last updated: March 2026
Related Faults
Source: Kone Elevator Control