A910 Exclusive = resource/session ownership prevents access; find and release the owning session (or safely power-cycle) after ensuring the machine is secure.
The is an Overload Warning indicating that the servomotor or SERVOPACK is operating close to its thermal capacity limit . Unlike a critical fault that stops the motor immediately, A910 acts as a pre-alarm. It warns operators that if current operating conditions continue, the drive will trigger a hard overload fault ( A.710 or A.720 ) and shut down completely to prevent hardware destruction.
To minimize the occurrence of the A910 exclusive error code, follow these preventive measures:
While the core meaning of A.910 remains consistent across Yaskawa’s product families, minor variations exist. yaskawa error code a910 exclusive
The is a warning that signals an overload condition in a servo drive. Specifically, this code indicates that the motor or drive is operating near its capacity and is at risk of triggering a full "Overload" alarm—either A.710 (instantaneous maximum load) or A.720 (continuous maximum load). What Does the A.910 Error Mean?
Over time, mechanical components degrade. Dry linear rails, failing ball screws, worn-out gearboxes, or physical debris blocking the axis travel create immense mechanical resistance. The servo motor must exert significantly higher torque than normal to reach its commanded position, driving up the electrical current. 2. Misconfigured Overload Warning Level (Parameter Pn52B)
Use an infrared thermometer to verify that the ambient temperature inside the control panel stays safely below . Clean or replace clogged cabinet cooling fans if necessary. 🔄 How to Safely Reset the A910 Warning It warns operators that if current operating conditions
Use Yaskawa’s SigmaWin+ software to monitor real-time torque and current usage to pinpoint exactly when the overload occurs.
The overload warning level (often parameter Pn52B ) may be set too low for the application. Troubleshooting & Corrective Actions Using Stall Prevention to Suppress Overloads - Yaskawa
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. Specifically, this code indicates that the motor or
Understanding why this warning appears is the first step toward a permanent fix. Common culprits include:
Start by removing the power to the drive and disengaging the motor from the mechanical load.
The Yaskawa error code A910 is a sophisticated early-warning system. It signals an impending overload, giving operators and maintenance teams a critical window to intervene. By understanding its role as a pre-alert, recognizing the common electrical and mechanical triggers, and following a structured diagnostic approach, you can resolve the root cause, prevent costly system shutdowns, and extend the life of your equipment. Properly managing the A910 warning is not just about clearing a code—it's about maintaining the health and productivity of your entire servo-driven system.