Troubleshooting the Fanuc 366 Alarm: Pulse Miss (INT) The Fanuc 366 Alarm, often displayed as SV 366 - n AXIS: PULSEMISS(INT), is a critical error indicating that the digital servo software has detected a pulse error in the built-in pulse coder of a specific axis. This alarm prevents machine movement and is typically associated with Fanuc 16, 18, 21, and i-Series controls. Common Causes of the Fanuc 366 Alarm
The Fanuc 366 alarm is a specific error code on Fanuc CNC machines. Here's a general guide to help you troubleshoot and understand the issue: fanuc 366 alarm
Inspect Connections: Unplug and clean the encoder cable connectors (typically labeled JF1, JF2, etc., on the drive) with electrical contact cleaner. Troubleshooting the Fanuc 366 Alarm: Pulse Miss (INT)
"Troubleshooting FANUC Alarm 366 — Encoder Pulse Loss/Position Deviation" (Technical Note, Fanuc America Corp.) Here's a general guide to help you troubleshoot