Wrong RDY status of spindle
Heidenhain · NC Control
What does 2931 E006 mean?
The spindle's RDY (Ready) status is incorrect, indicating an issue preventing the spindle from being ready for operation. Potential causes include defective cabling to the inverter, the spindle not being connected (e.g., via a spindle release relay), or a defective inverter unit.
Common Causes
- Cabling to inverter defective.
- Spindle not connected (spindle release relay issue).
- Inverter defective.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Inspect all cabling between the NC control, spindle inverter, and spindle motor for damage, loose connections, or incorrect wiring.
- 2
Verify the status and functionality of the spindle release relay; ensure it is properly activated and its contacts are making good connection.
- 3
Check the inverter's status indicators and fault history for any specific error codes related to spindle readiness or internal faults.
- 4
Measure power supply voltages to the inverter and spindle motor to ensure they are within specification and stable.
- 5
If possible, perform basic operational checks on the spindle motor independently (e.g., manual rotation if unpowered) to rule out mechanical issues.