Error message

C440 PWM frequency %.2s incorrect

Cause of error

- PWM frequency within a controller group is incorrect.

Error correction

- Inform your service agency.
- Check the machine parameter (PWM frequency).
- PWM frequency > 5000 Hz only with suited hardware and only with PWM output X51, X52, X57 or X58.
- PWM frequency <= 5000 Hz must be identical within the controller groups.
- PWM frequency > 3200 Hz.