SRVO-094

PMAL alarm (Track Encoder Abnormality)

Fanuc · R-30iB Mate + Mate Plus Robot

What does SRVO-094 mean?

This alarm (Track enc:i) indicates that the Pulsecoder (track encoder) is likely abnormal, impacting the position feedback of the linear or rotary track. The underlying issue is an internal malfunction of the encoder.

Repair Steps

  1. 1

    Replace the Pulsecoder for the affected track encoder.

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Verified technical data. Last updated: March 2026
Source: Fanuc R-30iB Mate + Mate Plus Robot