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PW0018
CRC CHECK ERROR
Fanuc · Alpha i Series Servo Amplifier
¿Qué significa PW0018 ?
The CNC detected a CRC check error in the CNC ROM. This indicates data corruption in the CNC's Read-Only Memory, which can prevent the system from booting or operating correctly. A power cycle is required.
Causas comunes
- Data corruption in the CNC's Read-Only Memory (ROM) during a CRC check.
- Physical damage to the CNC ROM chip.
- Interference during the CNC ROM read process.
- Firmware integrity issue within the CNC ROM.
- Power supply instability corrupting ROM data during self-check.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Perform a CNC system power cycle.
- 2
Check for any diagnostic indicators on the CNC motherboard related to ROM error.
- 3
If possible, reload the CNC firmware image onto a new ROM chip.
- 4
Ensure a stable and clean power supply to the CNC.
- 5
If the issue persists after firmware reload, the CNC ROM module may need replacement.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Fanuc Alpha i Series Servo Amplifier