Error message

CC%d inverter for spindle RDY=0

Cause of error

The power module of the spindle could not be switched to ready condition.
- Safety relay not on (e.g. connector X71 of the UE/UV/UVR, X73 of the HEIDENHAIN expansion board for Simodrive)
- Defective power module
- PWM bus cable interrupted

Error correction

Check the wiring and inform your service agency.