Otis · DSD 412 DC Elevator Drive
The motor speed has exceeded the trip level configured in parameter #1, #11, or #12. Parameter #12 is a percentage of the motor speed value set in parameter #1, as measured by the encoder.
Click steps to track your progress.
Check parameters #1, #11, and #12 to ensure the trip level is set below the motor's rated speed.
Verify and adjust the speed regulator tuning parameters #40, #41, and #42.
Inspect the velocity encoder and its connections for any intermittent operation or loose wiring.