CPU TEST ALARM (CNC)

What does PW0014 mean?

An error occurred in a CNC CPU test. This indicates a critical hardware fault within the CNC CPU, which prevents normal operation. A power cycle is required.

• CNC CPU internal hardware malfunction.
• Critical error during CNC CPU self-test sequence.
• Power supply instability affecting CNC CPU operation.
• Firmware corruption within the CNC CPU.
• Overheating of the CNC CPU module.

Click steps to track your progress.

1. 1

   Perform a full CNC system power cycle (main switch off/on).

2. 2

   Check for visible damage or overheating on the CNC CPU heatsink.

3. 3

   Reload the CNC firmware from a reliable backup.

4. 4

   Measure CNC CPU core voltage and auxiliary power rails.

5. 5

   If symptoms persist, replace the CNC CPU module.