The alarm indicates a mismatch between the commanded direction for Reference Point Return (Grid Approach) and the actual physical movement direction of the axis.
On many FANUC ladders, this alarm is a "catch-all" for hydraulic pressure switches, brake sensors, or interlocks failing to signal "Ready." fanuc 7115 alarm
Fanuc 7115 alarm is a spindle-related error specifically identified as the SP Switch Control Alarm The alarm indicates a mismatch between the commanded
Manually check if the high/low range contactors are physically sticking or if their coils are burned out. Verify Proximity Switches: fanuc 7115 alarm
Ensure that the spindle switching timers and confirmation parameters are set correctly according to the machine tool builder's (MTB) specifications. Cable Continuity: