Fanuc Servo Amplifier Alarm 456 - ILLEGAL CURRENT LOOP
Description: The current control cycle settings (parameter No. 2004, bit 0 of parameter No. 2003, and bit 0 of parameter No. 2013) are incorrect.
Possible problems are as follows:
- For the two axes whose servo axis numbers (settings of parameter No. 1023) are an odd number followed by an even number (a pair of axes 1 and 2 or axes 5 and 6, for example), a different current control cycle is set for each of the axes.
- The requirements for slaves needed for the set current control cycle, including the number, type, and connection method of them, are not satisfied.
Nationwide FANUC Servo Alarm 456 Troubleshooting, Repairs & Replacement Service
Give Tri Star CNC a call and we’ll help you determine the source of the FANUC Servo 456 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.