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ErrorLib — Industrial Fault Code Library

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d0

Tandem Control Speed Polarity Abnormal

Fanuc · Series 30i/31i/32i-MODEL B Plus

What does d0 mean?

This alarm indicates an abnormal speed polarity relationship between the master motor and slave motor during tandem control. This error suggests a configuration issue with the motor rotation directions.

Common Causes

  • Abnormal speed polarity relationship between master and slave motors in tandem control.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the setting related to the rotation direction (FS16: bit 2 of parameter No. 4353).

Browse all codes in this manual (38)
Verified technical data. Last updated: April 2026

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Source: Fanuc Series 30i/31i/32i-MODEL B Plus
Open Manual (Page 126)Search more codes in this manual