04

Calibration Fault

Kone · Elevator Control

What does 04 mean?

A calibration error has been detected in the machine, indicating that a sensor or system component is not accurately calibrated. This is a warning only, suggesting potential inaccuracies in operation.

Common Causes

  • Required sensor or system calibration out of range or not performed correctly.
  • Faulty sensor providing inaccurate readings.
  • Environmental factors affecting sensor performance.

Repair Steps & Checklist

Click steps to track your progress.

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Verified technical data. Last updated: March 2026

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