Yaskawa Error Code A910 Exclusive

Check parameter Pn52B via digital operator or Yaskawa SigmaWin+ software.

If the mechanical system is clear, look at your cycle times. Try reducing the acceleration/deceleration rates or the total duty cycle. You can use the Yaskawa SigmaWin+ software to monitor the to see exactly how hard the motor is working. 4. Check Parameter Pn52B

prevent the final A.710/720 alarm from happening—it just makes the warning come later. 【安川電機】e-メカサイト 📖 The "Proper Story" (What to expect) If you see powering on

Troubleshooting Yaskawa error codes requires a precise understanding of your specific hardware setup, application, and operating environment. yaskawa error code a910 exclusive

The A910 exclusive error code is a specific fault code that appears on Yaskawa servo drives, particularly on the Σ (Sigma) series. This error code indicates a problem with the servo drive's internal memory or the encoder's communication. When the servo drive detects an error, it immediately stops the motor and displays the A910 error code on the drive's display panel. The "exclusive" term refers to the fact that this error code is specific to certain Yaskawa servo drive models.

Establish a strict maintenance schedule for greasing ball screws and linear bearings.

Since this is a CPU error, the board itself may be defective. If the fault persists after power cycling, the unit may require replacement. Check parameter Pn52B via digital operator or Yaskawa

Check for any obstructions, broken bearings, or lack of lubrication in the system that could be increasing mechanical resistance.

Incorrect or loose contact in the servomotor or encoder wiring can lead to inefficient operation and false load readings.

A.910 can also appear in conjunction with other codes. In one documented field case, a Yaskawa Servopack SGDV-120A01AY101AA simultaneously generated both A.710 and A.910 alarms accompanied by severe motor instability—the motor started jerkily, responded with delay to motion commands, and stopped after a few seconds. Testing revealed a severe current asymmetry: while phases U and V each carried approximately 4 A, phase W showed only about 0.8 A. This phase current fault caused a distorted rotating field, triggering the overload warning and eventually the alarm. You can use the Yaskawa SigmaWin+ software to

: Increased friction in the mechanical system—such as worn bearings, jammed gears, or lack of lubrication—forces the motor to work harder than normal. Incorrect Gain Settings

Another frequent trigger for A.910 is simply pushing the motor system too hard. This can involve setting a motor acceleration rate too high for the system's inertia or commanding a speed that cannot be physically achieved with the available torque. In either case, the motor ends up operating beyond its "overload protection characteristics" for extended periods, triggering the warning as a protective measure. You may need to lower the acceleration rate or use a filter like Pn217 (Average Position Reference Movement Time) to smooth out the motion reference.