Fanuc Fanuc Spindle Alarm C7 (Invalid Reference Angle Cycle — Angle Synchronization Mode) — Cause & Fix Angle SynchronizationJJ AutomationJul 31, 2026 Fanuc Spindle Alarm C4 (Invalid Learning Cycle — Time Synchronization Mode) — Cause & Fix FanucJJ AutomationJul 31, 2026 Join Us A short sentence describing what someone will receive by subscribing Your email Subscribe100% free, Unsubscribe any time! Follow us