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F122

I/O Board Fail

Allen-Bradley · PowerFlex 4 Adjustable Frequency

¿Qué significa F122 ?

A fault has been detected within the drive's internal I/O board hardware. This indicates a potential malfunction of the input/output processing circuitry, affecting control signals.

Causas comunes

  • Failure detected in the drive's input/output interface board.
  • Faulty digital or analog I/O module.
  • Short circuit or open circuit on an I/O terminal.
  • Internal wiring issue on the I/O board.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Cycle power to the drive by turning it off completely, waiting for all indicator lights to extinguish, and then turning it back on.

  2. 2

    If the fault persists after cycling power, a failure of the drive's I/O board is indicated, requiring further technical assessment.

Ver todos los códigos en este manual (24)
Datos técnicos verificados. Última actualización: March 2026

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Fuente: Allen-Bradley PowerFlex 4 Adjustable Frequency