Okuma OSP control electronics used for diagnosing Alarm B axis, servo and motion-related faults
Okuma OSP Alarm Directory

Okuma Alarm B Codes
(OSP-P300S / P300L)

Alarm B codes on Okuma CNC machines with OSP-P300S and OSP-P300L controls are typically related to machine operation, axis control, servo systems and motion functions. Select an alarm from the list below to view its meaning, possible causes and recommended diagnostic steps.

Experiencing this Okuma Alarm?

If your CNC machine is not operating normally, the alarm may require professional inspection of the control, drive or motion system.

Control diagnosticsParameter and PLC analysisOn-site repair
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