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Heidenhain Controller
System · Intermediate · 30-120 minutes
HEIDENHAIN 231-C350 - C350 Axis module not ready
The named axis module is not ready. The manual lists a safety relay that has not switched on, an interrupted PWM bus cable, or an interruption inside the electrical cabinet as possible reasons.
231-C350
HEIDENHAIN 231-C350 - C350 Axis module not ready
C350 Axis module not ready
The named axis module is not ready. The manual lists a safety relay that has not switched on, an interrupted PWM bus cable, or an interruption inside the electrical cabinet as possible reasons.
Safety
- Refer to Heidenhain service manual
- Ensure qualified technician performs repairs
Common Causes
- Safety relay not energized (connectors X71/X72 on UV, X73 on expansion board)
- PWM bus cable interrupted
- Wiring interruption in the electrical cabinet
Troubleshooting Steps
- 1Note the full error text and the NC software number of the control.
- 2Check the control and cabling of the pulse release.
- 3Check the DC-link voltage (Uz).
- 4On non-regenerative power supplies, confirm the braking resistor is connected.
- 5Contact your machine builder or HEIDENHAIN service.
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Always verify with your machine manual or a certified technician before performing service procedures.