410

SPEED ERROR TRIP FAULT

Otis · DSD 412 DC Elevator Drive

What does 410 mean?

A large speed error existed for a significant period of time. Speed errors larger than Function #100, for longer than Function #99 seconds, will cause a Speed Error Trip and automatic drive shutdown.

Common Causes

  • Dragging elevator brake.
  • Weak motor field.
  • Speed error magnitude exceeded Function #100 (Speed Error Trip Threshold).
  • Speed error duration exceeded Function #99 (Speed Error Trip Time).

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check for a dragging brake.

  2. 2

    Check the motor field strength.

  3. 3

    Review Function #99 (Speed Error Trip Time) to adjust time sensitivity (range 0.205.00 seconds).

  4. 4

    Review Function #100 (Speed Error Trip Threshold) to adjust magnitude sensitivity (range 0.0 – 100.0%).

Browse all codes in this manual (48)
Verified technical data. Last updated: March 2026

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Source: Otis DSD 412 DC Elevator Drive