815-578-9145Fanuc Alarm 749 - S–SPINDLE LSI ERROR
FANUC Alarm Codes >> FANUC Spindle Amplifier Alarms >> Spindle Amplifier Alarm 749
Description: It is serial communication error while system is executing after power supply on. Following reasons can be considered.
- Optical cable connection is fault or cable is not connected or cable is cut.
- MAIN CPU board or option 2 board is fault.
- Spindle amp. Printed board is fault.
- If this alarm occurs when CNC power supply is turned on or when this alarm cannot be cleared even if CNC is reset, turn off the power supply also turn off the power supply in spindle side.
Nationwide FANUC Spindle Alarm Troubleshooting, Repairs & Replacement Service
Give Tri Star CNC a call and we’ll help you determine the source of the FANUC alarm 749 error and find solutions ASAP. We offer FREE phone support (call 815-578-9145 now), competitive repair pricing, or quick turnaround on a replacement component from our exchange stock if necessary. If you need on-site support we can point you in the right direction through our field service network.
FANUC-GE Parts Exchange & Repair Warranty Information
Exchange FANUC parts and repaired parts include a 1-year warranty. Tri Star CNC, LLC warrants the COMPLETE ASSEMBLY REPAIR – not just the parts and labor.
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