UP

Platform up limit position

Kone · Elevator Control

What does UP mean?

The platform has reached its upper limit position. This is a warning only, indicating the normal end-of-travel for the platform.

Common Causes

  • Platform has reached the mechanical or programmed upper travel limit.
  • Upper limit switch stuck in active position (false detection).
  • Obstruction preventing the platform from fully lowering after reaching the limit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the current commanded position and operational cycle of the elevator to determine if the platform is expected to be at its upper limit.

  2. 2

    Inspect the physical condition, cleanliness, and mechanical actuation of the platform's upper limit switch or sensor.

  3. 3

    Check the wiring integrity and connections from the upper limit sensor/switch to the Kone Elevator Control system for damage, corrosion, or looseness.

  4. 4

    Verify relevant control parameters within the Kone Elevator Control system related to upper travel limits, position thresholds, and delay timers.

  5. 5

    Monitor the real-time status of the upper limit input via the controller diagnostics to confirm accurate signal reception and reset behavior.

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Verified technical data. Last updated: March 2026

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