The Yaskawa error code is not a fatal "fault" that stops the machine immediately, but a Warning for Overload . It is essentially the drive’s way of saying, "I am working too hard, and if this continues, I will shut down to protect myself."
Check Yaskawa's website for the latest firmware for your specific drive model. A known bug in early firmware revisions of GA800 drives caused false A910 faults under specific temperature conditions. Updating the firmware (requires Yaskawa USB copy tool or DriveWizard) can resolve this. yaskawa error code a910
If the error persists, the CPU board may need repair or replacement through the Yaskawa Motoman Support Center Yaskawa Knowledge Center The Yaskawa error code is not a fatal
Yaskawa A910 – Output Phase Loss
"Overload?" asked Sarah, the shift supervisor. "But the arm isn't moving. How can it be overloaded if it’s standing still?" Updating the firmware (requires Yaskawa USB copy tool