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Heidenhain Controller
Power Supply · Intermediate · 30-120 minutes
HEIDENHAIN 231-8061 - 8061 Power module not ready
This TNC 640 error indicates a problem with the power supply system. The control has detected abnormal conditions in the mains power or DC-link voltage.
231-8061
HEIDENHAIN 231-8061 - 8061 Power module not ready
8061 Power module not ready
This TNC 640 error indicates a problem with the power supply system. The control has detected abnormal conditions in the mains power or DC-link voltage.
Safety
- DC bus voltage in drive cabinets can remain charged for several minutes after power off — wait for discharge before opening the cabinet
- Engage lockout/tagout before inspecting motor cables or drive terminals
Common Causes
- Readiness signal of the power supply module is
- Master contactor has opened
- Error in PLC program
- Power supply module, inverter defective
Troubleshooting Steps
- 1Note the full error text and the NC software number of the control.
- 2Restart the control system.
- 3Contact your machine builder or HEIDENHAIN service.
- 4Check wiring and cable connections.
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Always verify with your machine manual or a certified technician before performing service procedures.