936

E-Stop contact was opened during test.

Otis · DSD 412 Elevator System

What does 936 mean?

This fault indicates that the E-Stop circuit was opened during a Self-Tune (Function #997) or Self-Diagnostic (Function #998) test, rendering the test data invalid.

Common Causes

  • The E-Stop circuit was activated or interrupted during the diagnostic or tuning test.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Jumper the E-Stop circuit to ensure it remains closed.

  2. 2

    Re-run the Self-Tune or Self-Diagnostic test.

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Verified technical data. Last updated: March 2026

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Source: Otis DSD 412 Elevator System