Error description 231-C440

Error message

C440 PWM frequency %1 incorrect

Cause of error

- PWM frequency within a control group is incorrect

Error correction

- Inform your service agency
- Check configuration data (PWM frequency)
- PWM frequency > 5000 Hz only with suitable hardware and only with PWM outputs X51, X52, X57 and X58.
- PWM frequency <= 5000Hz must be identical within the control groups.
- PWM frequency > 3200 Hz