Review parameters related to special functions (e.g., specific homing methods, advanced positioning) to ensure they are compatible. 3. Review Physical I/O and PLC Logic
The system constantly monitors the motor's torque reference and temperature, comparing the actual load against a pre-programmed electronic thermal (i-t) protection curve. This curve models the motor's ability to shed heat.
Using Yaskawa’s SigmaWin+ software or the digital operator, navigate to the (Overload Warning Level) parameter. Compare the setting against the application’s normal operating current.
Exceeded tight overload protection profile or mismatched motor capacity. Pn52B (Overload Warning Level) Root Causes Behind the A.910 Warning yaskawa error code a910 exclusive
If you have searched for you are likely not looking for basic troubleshooting. You need the deep, technical breakdown that service manuals gloss over. This article provides that exclusive, in-depth analysis. We will cover what A910 really means, why standard fixes fail, and the proprietary nuances Yaskawa engineers expect you to know.
Several distinct issues can trigger an A910 warning. The cause generally falls into one of three categories.
This article provides a comprehensive overview of what the A910 error means, why it occurs, and how to troubleshoot and fix it. What is Yaskawa Error Code A910 (Exclusive Error)? Review parameters related to special functions (e
(Excessive Position Error Warning Level) if the overload seems tied to the moment the Servo turns ON. Yaskawa.eu.com If you'd like to narrow this down, could you tell me: Does the error happen immediately at power-on during a specific move of Yaskawa drive are you using (e.g., Sigma-5, Sigma-7)? Has the machine recently been serviced or crashed?
Tighten loose terminals and replace any cables showing signs of physical wear, cracking, or oil intrusion.
If a machine's motion profile is set beyond its physical application design, the motor will overheat. A.910 fault in Yaskawa Sigma 7 servo drive - Click2Electro This curve models the motor's ability to shed heat
Verify that parameters such as Pn520 (Position Error Pulse Overflow) or others related to motor current are set correctly for your specific application.
The A.910 warning typically arises from one of the five categories below. Each cause requires a distinct diagnostic approach.
To clear the A910, one must identify which "Exclusive" condition is active. Below are the most frequent scenarios:
Unlike a hard "Fault" that stops the motor immediately, A.910 is technically a . It serves as a preemptive notification that the current load on the servomotor is exceeding normal operating parameters. If the condition causing the overload is not addressed, the drive will eventually shut down with a hard fault to protect the hardware from permanent damage. Common Causes of the A.910 Warning
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.