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ErrorLib — Industrial Fault Code Library

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369

DATA TRANS. ERROR(INT)

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

What does 369 mean?

This internal alarm signals a communication data error, primarily caused by noise affecting the data transmission. Unstable position data from the Pulsecoder can lead to incorrect axis control or unexpected machine behavior.

Common Causes

  • Noise causing unstable position data from the Pulsecoder.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check CNC diagnosis information No.356 (Built-in detector) and No.357 (Separate detector) for incremented values, which indicate noise effects. The value is cleared when the CNC unit is powered off.

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

Related Faults

1Inverter Internal Cooling Fan Stopped2Inverter Control Power Supply Undervoltage366PULSE MISS(INT)
Source: Fanuc Series 30i/31i/32i-MODEL B Plus
Open Manual (Page 159)Search more codes in this manual