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SP0980

SIC-LSI Faulty (Spindle Amplifier Side, 15i)

Fanuc · AC Spindle Motor Alpha i-Beta i Series Parameters

¿Qué significa SP0980 ?

The SIC-LSI (Serial Interface Converter-LSI) on the serial spindle amplifier side for Series 15i is faulty. This indicates a hardware error on the amplifier's communication interface.

Causas comunes

  • Failure of the Serial Interface Converter-LSI chip on the spindle amplifier.
  • Internal short circuit within the spindle amplifier's communication circuitry.
  • Power supply fluctuations affecting the SIC-LSI operation (e.g., below 5V).
  • Overheating of the spindle amplifier causing SIC-LSI malfunction.
  • Corrupted firmware within the spindle amplifier's control board.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Measure the regulated 5V supply to the SIC-LSI chip on the amplifier board.

  2. 2

    Inspect the SIC-LSI chip for visible signs of damage or overheating.

  3. 3

    Attempt to clear amplifier alarms via the CNC interface (e.g., 'Reset' button).

  4. 4

    Check for diagnostic indicators or LEDs on the amplifier's main board.

  5. 5

    Verify the spindle amplifier's operating temperature is within specification.

Ver todos los códigos en este manual (60)
Datos técnicos verificados. Última actualización: March 2026

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Fuente: Fanuc AC Spindle Motor Alpha i-Beta i Series Parameters
Fanuc SP0980 SIC-LSI Faulty (Spindle Amplifier Side, 15i):… | ErrorLib