NMI Alarm in Other Board
Fanuc · Series 20 CNC
¿Qué significa 972 ?
This alarm indicates a Non-Maskable Interrupt (NMI) originating from a board other than the BOC or SLC within the Fanuc Series 20 CNC system. This suggests a critical hardware malfunction on an auxiliary or expansion board, leading to a system halt.
Causas comunes
- Faulty auxiliary board (e.g., graphics board, I/O expansion board) or its associated circuitry.
- Memory error on the affected 'other' board.
- Power supply irregularities to the affected board.
- Loose or improperly seated auxiliary board.
- Physical damage to the board.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Power cycle the CNC system to attempt a reset of all components and clear the NMI.
- 2
Identify any auxiliary or expansion boards installed in the CNC. Inspect them for proper seating and connection.
- 3
Verify stable and clean power supply to all installed boards within the CNC cabinet.
- 4
Inspect all installed boards for any visible damage, such as burn marks or damaged components.
- 5
If possible, remove non-essential auxiliary boards one by one and power cycle to isolate the faulty board.