411

MAX AUTO-RESETS ATTEMPTED

Otis · DSD 412 DC Elevator Drive

What does 411 mean?

More than 5 automatic resets were necessary in less than 20 minutes of accumulated time. An accumulation of 5 counted faults will cause this fault and require a manual reset for continued operation.

Common Causes

  • Frequent underlying fault conditions causing repeated auto-resets.
  • Five fault counts accumulated within a 20-minute period.
  • Parameter #101 (Auto Fault Reset) is enabled.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Identify and resolve the primary fault condition causing multiple resets.

  2. 2

    Manually reset the drive to clear the fault.

  3. 3

    Consider setting Function #101 (Auto Fault Reset) to 0 (Off) if automatic resets are not desired.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Otis DSD 412 DC Elevator Drive