. This error typically indicates a failure in the spindle switching control logic, often occurring on machines with multi-spindle configurations or those using high/low speed winding switching. Primary Causes and Troubleshooting Based on expert discussions from platforms like Industry Arena Practical Machinist , here are the most common solutions: 24VDC Power Supply Failure : A very frequent cause is the failure of the 24VDC power supplies
Unlike a simple limit switch error, the 7115 alarm stems from logical corruption or parameter mismatches. Below are the six most common root causes. fanuc 7115 alarm
FANUC 32i with a robot loading cells. Symptom: 7115 alarm triggered exactly on line N345 of the main program: CALL O9010 . Diagnosis: Subprogram O9010 contained a DPRNT command trying to send a string to a non-existent serial port. The PMC interface address was out of range. Solution: Edited O9010 to remove the DPRNT command and used a POPEN reset first. Restarted the control. Below are the six most common root causes
If parameters are correct and wiring is sound, the speed Diagnosis: Subprogram O9010 contained a DPRNT command trying
Are you seeing any on the spindle drive's 7-segment LED display, such as "AL-01" or a number like "449" on the main screen?