Do not swap the drive. Swap the digital operator with a brand new or known working unit from another machine of the exact same model.
Yaskawa error code A910 is not a death sentence for your drive. However, treating it like a simple loose connection will lead to repeated downtime and unnecessary replacements. The exclusive insights in this guide—from capacitor ripple testing to FFC wiggling and ghost firmware bugs—equip you to diagnose with surgeon-like precision.
Remember the golden rule of A910: The operator is usually a victim, not the culprit. The drive’s control board, power supply, or interconnects are the true sources 80% of the time.
By applying this long-form, exclusive troubleshooting methodology, you will reduce mean-time-to-repair (MTTR) from hours to minutes and extend the service life of your Yaskawa automation assets.
Next Steps:
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The Yaskawa error code 0910 (often displayed as A.910) typically indicates a CPU Error. This specific alarm is common on FS100 robot controllers, referring to a failure in the unit. Understanding Alarm 0910
Definition: A fatal system error where the controller's main processing unit (CPU) fails to initialize or maintain operation.
Immediate Result: The drive or robot will not operate until the error is cleared or the underlying hardware issue is resolved. Troubleshooting and Corrective Actions
If you encounter this error, follow these standard diagnostic steps: yaskawa error code a910 exclusive
Power Cycle: Turn the main circuit power OFF and then back ON after a few minutes. This can sometimes clear transient initialization errors. Check Hardware Connections:
Ensure all cables, particularly those for the digital operator and communication modules, are securely mounted.
Inspect the CPU Board: Since this is a CPU error, the board itself may be defective. If the fault persists after power cycling, the unit may require replacement.
Verify Software/Firmware: In some instances, a software installation or update may be required to resolve internal processing conflicts.
For further assistance, you can contact Yaskawa Support at 1-800-YASKAWA (927-5292).
Are you seeing this error on a Motoman robot or a standard AC drive, and did it occur after a specific event like a power surge? FAQ: F01 -- Fault Code Description - Yaskawa
Understanding Yaskawa Error Code A910: Exclusive Access
Yaskawa is a well-known Japanese company that specializes in the production of industrial robots, servo drives, and other automation equipment. Their products are widely used in various industries, including manufacturing, automotive, and food processing. However, like any complex machinery, Yaskawa devices can sometimes encounter errors, one of which is the A910 error code. This article aims to provide an in-depth look at the A910 error code, specifically focusing on its meaning, causes, and troubleshooting steps.
What is Yaskawa Error Code A910?
The A910 error code is a specific fault code generated by Yaskawa's servo drives and robots. When this error occurs, it typically indicates that there is an issue related to the system's exclusive access. The error code A910 suggests that the device is experiencing a problem with accessing a particular resource or function that is currently locked or reserved by another process.
Causes of Yaskawa Error Code A910
Several factors can trigger the A910 error code. Some of the most common causes include:
Troubleshooting Yaskawa Error Code A910
To resolve the A910 error code, follow these troubleshooting steps:
Preventing Future Occurrences
To minimize the likelihood of encountering the A910 error code in the future:
Conclusion
The Yaskawa error code A910 is a specific fault code related to exclusive access issues. By understanding the causes and following the troubleshooting steps outlined in this article, users can effectively resolve the error and prevent future occurrences. Regular maintenance, software updates, and monitoring system performance are essential to ensuring the optimal operation of Yaskawa devices. If the issue persists or requires further assistance, it is recommended to contact a Yaskawa support specialist or authorized service provider for additional guidance. Do not swap the drive
The Yaskawa error code A910 (often displayed as A.910) is an exclusive alarm related to Momentary Power Failure Detection.
Here is the exclusive, detailed breakdown of what this code means, why it happens, and how to resolve it, specifically for Yaskawa drives (common on V1000, J1000, GA800, GA700, and U1000 series).
To clear the A910, one must identify which "Exclusive" condition is active. Below are the most frequent scenarios:
While A9.80 is a standard undervoltage (power loss at stop or standby), A910 is exclusive to Run-time undervoltage.
"Momentary Power Failure" or "Undervoltage during run" The drive detected that the DC bus voltage dropped below the undervoltage detection level while the motor was running.
In very rare cases, if the cause is a momentary input power dip, the alarm may self-clear after a few power cycles. However, Yaskawa’s technical manuals explicitly state that A910 is a “fault” not an “alarm” – meaning the drive will not attempt to run. For 95% of field cases, the drive requires repair or replacement.
The RJ45-style or 14-pin connector between the operator and drive is not gold-plated on standard models. In environments with even trace levels of hydrogen sulfide (paper mills, wastewater treatment), microscopic corrosion increases contact resistance. The drive senses this increased resistance as a "disconnected operator" even though the clip feels tight.
In Yaskawa terminology, the A910 error does not usually indicate a broken component. Instead, it indicates a conflict of priorities.
The term "Exclusive" in this context refers to the drive’s internal processing hierarchy. The drive has received a command (usually "Run" or "JOG"), but that command is currently "excluded" from execution because another process or safety condition has locked the control. For more Yaskawa error code deep-dives, subscribe to
In simple terms: The drive is saying, "I cannot start moving because something else is currently in control of my state."