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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. 1

    Perform a CNC system power cycle.

  2. 2

    Check for any diagnostic indicators on the CNC motherboard related to ROM error.

  3. 3

    If possible, reload the CNC firmware image onto a new ROM chip.

  4. 4

    Ensure a stable and clean power supply to the CNC.

  5. 5

    If the issue persists after firmware reload, the CNC ROM module may need replacement.

Ver todos los códigos en este manual (101)
Datos técnicos verificados. Última actualización: March 2026

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Fuente: Fanuc Alpha i Series Servo Amplifier