Error message

Inverter not ready

Cause of error

- Power-on of the drive not possible, because an inverter is not ready (RDY signal).
- On interface PCBs for Siemens inverters, the second axis is not enabled
- No switch signals to the inverter contacts or relays
- Compact inverter, inverter supply unit or power module is defective
- Interruption at inverter bus cable (supply bus, unit bus, PWM bus)
- Defective PWM interface on the control

Error correction

- Remove interruption in the electrical cabinet
- Replace the defective compact inverter, supply unit or power module
- Replace the defective cable
- Inform your service agency