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305

Serial Pulse Coder Miscount Alarm (CMAL)

Fanuc · Alpha i series AC Servo Motor

Hva betyr 305 ?

A miscount alarm (CMAL) was detected for the serial pulse coder, indicating an error in counting pulses. This suggests a problem with the pulse coder's counting mechanism or an intermittent fault.

Vanlige årsaker

  • Miscounting of pulses by the serial pulse coder.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Turn the main power OFF.

  2. 2

    If the alarm recurs when power is re-applied, replace the motor (which contains the pulse coder).

  3. 3

    Even if the alarm does not recur, restart the operation from reference position return to re-establish positional accuracy.

Se alle koder i denne manualen (60)
Verifisert teknisk data. Sist oppdatert: March 2026

Relaterte feilkoder

Kilde: Fanuc Alpha i series AC Servo Motor
Fanuc 305 (Serial Pulse Coder Miscount Alarm (CMAL)) — Tekn… | ErrorLib