49
Division by zero in application
Vacon · 100 FLOW Application Guide
What does 49 mean?
A division by zero error has occurred within the application program running on the frequency converter. This indicates a mathematical error in the custom logic.
Common Causes
- Division by zero operation attempted within the application program.
- Mathematical calculation in the application results in an undefined value (e.g., P1/P2 where P2=0).
- Incorrect programming of a control loop or algorithm.
- Input parameter leads to a zero divisor.
Repair Steps & Checklist
Click steps to track your progress.
- 1
If you are the application programmer, review the application program logic for potential division by zero conditions.
Verified technical data. Last updated: March 2026
Related Faults
Source: Vacon 100 FLOW Application Guide