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. 1

    Verify the physical level and stability of the elevator car/machine using appropriate leveling tools.

  2. 2

    Inspect the tilt sensor unit (inclinometer) for physical damage, debris, or improper mounting/alignment.

  3. 3

    Check all associated wiring and connectors between the tilt sensor and the Kone Elevator Control unit for loose connections, damage, or corrosion.

  4. 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.

Browse all codes in this manual (60)
Verified technical data. Last updated: March 2026

Related Faults

Kone Error LL: Machine Tilted — Troubleshooting Guide | ErrorLib