916
FORCING FAULT
Otis · DSD 412 DC Elevator Drive
What does 916 mean?
This fault occurs when the 'prohibit rotation' bit was removed while the control loop was already picked-up (active). This condition can only be triggered when operating the drive via the handheld PCDU.
Common Causes
- The prohibit rotation bit was removed via the handheld PCDU while the drive's control loop was actively picked-up.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Ensure that the prohibit rotation bit is not removed while the control loop is active (picked-up) when using the handheld PCDU.
Verified technical data. Last updated: March 2026
Related Faults
Source: Otis DSD 412 DC Elevator Drive