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
- 1
Replace the Pulsecoder.
Verified technical data. Last updated: March 2026
Source: Fanuc Series 30i/31i/32i-MODEL B Plus