Error description 231-8900

Error message

8900 Noml. speed > %5 1/min: Field weakening inactive %1

Cause of error

- The field weakening is not activated (machine parameter ampVoltProtection = 0)
- The nominal speed was higher than the rotational speed possible without field weakening

Error correction

- Activate the field weakening (set machine parameter ampVoltProtection to be unequal to 0)