Error description 231-94C0

Error message

94C0 DQ PWM freq. > 4 kHz requires double speed %1

Cause of error

- If the PWM frequency selected in the "ampPwmFreq" machine parameter is greater than 4000 Hz, the machine parameter "ctrlPerformance" must be set to Double Speed

Error correction

- Either reduce the PWM frequency in "ampPwmFreq,"
- or set the "ctrlPerformance" machine parameter to Double Speed (software option)
- Inform your service agency