EL
ErrorLib
Brands
||
  1. Home
  2. Fanuc
  3. Series 30i/31i/32i-MODEL B Plus
  4. 366
About·Privacy·Terms

ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

366

PULSE MISS(INT)

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

What does 366 mean?

This internal alarm indicates a small signal amplitude from the Pulse coder, signifying a potential failure of the Pulse coder itself or interference from external noise. This can lead to inaccurate position feedback.

Common Causes

  • Small internal signal amplitude from the Pulse coder
  • Pulse coder failure
  • Noise affecting the Pulse coder signal

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Replace the Pulsecoder.

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

Related Faults

1Inverter Internal Cooling Fan Stopped2Inverter Control Power Supply Undervoltage367COUNT MISS(INT)
Source: Fanuc Series 30i/31i/32i-MODEL B Plus
Open Manual (Page 159)Search more codes in this manual