SP9069

SAFETY SPEED OVER

Fanuc · αi Series Servo Amplifier

What does SP9069 mean?

The spindle detected that the speed of the spindle motor exceeded the safety speed (parameter No. 4372/No.4438/No.4440/No.4442) during safety monitoring (when the safety check request signal (*VLDPs) is 0). This indicates an unsafe spindle operating speed, which is a critical safety violation.

Repair Steps

  1. 1

    Check the configured safety speed parameters (No. 4372/No.4438/No.4440/No.4442) for appropriate values.

  2. 2

    Ensure current operation is performed at a speed not exceeding the defined safety speed.

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Verified technical data. Last updated: March 2026
Source: Fanuc αi Series Servo Amplifier