Otis · DSD 412 DC Elevator Drive
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.
Click steps to track your progress.
Check for a dragging brake.
Check the motor field strength.
Review Function #99 (Speed Error Trip Time) to adjust time sensitivity (range 0.20 – 5.00 seconds).
Review Function #100 (Speed Error Trip Threshold) to adjust magnitude sensitivity (range 0.0 – 100.0%).