915

PARAMETER SETUP FAULT

Otis · DSD 412 DC Elevator Drive

What does 915 mean?

One of the critical parameters, specifically Rated Volts (#7 or #9) or Rated Current (#3 or #50), has been set outside the acceptable operating range for the chassis hardware. A DSD power down is required.

Common Causes

  • An incorrect value entered for parameter #7 (Rated Armature Voltage) or #9 (Rated Line Voltage).
  • An incorrect value entered for parameter #3 (Rated Armature Current) or #50 (Rated Field Current).

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Enter the correct parameter data for #7 (Rated Armature Voltage), #9 (Rated Line Voltage), #3 (Rated Armature Current), or #50 (Rated Field Current) within the specified hardware limits.

  2. 2

    Save the corrected parameters to NVRAM.

  3. 3

    Perform a DSD power down, then reset and restart the drive.

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Verified technical data. Last updated: March 2026

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Source: Otis DSD 412 DC Elevator Drive