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ErrorLib — Industrial Fault Code Library

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System Scale Factor

Incompatible System Scale Factor

Otis · 400 Elevator

What does System Scale Factor mean?

Indicates that one of the credit peripherals (e.g., changer) has introduced an incompatible scaling factor, leading to incorrect credit processing or system miscalibration.

Common Causes

  • Loose or faulty connections of the changer harness.
  • Changer not properly plugged in or not functioning.
  • An incompatible scaling factor introduced by a credit peripheral.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the connections of the changer harness.

  2. 2

    Make sure the changer is plugged up and working.

  3. 3

    Make necessary connections to the harness or replace the changer.

Browse all codes in this manual (41)
Verified technical data. Last updated: April 2026

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Source: Otis 400 Elevator
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