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
Check for a dragging brake.
- 2
Check the motor field strength.
- 3
Review Function #99 (Speed Error Trip Time) to adjust time sensitivity (range 0.20 – 5.00 seconds).
- 4
Review Function #100 (Speed Error Trip Threshold) to adjust magnitude sensitivity (range 0.0 – 100.0%).
Verified technical data. Last updated: March 2026
Related Faults
Source: Otis DSD 412 DC Elevator Drive