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Yaskawa Error Code A910 Extra Quality Jun 2026

The most common cause is a load that exceeds the motor's rated torque capacity due to mechanical binding or increased friction in the system.

Electrolytic capacitors have a finite lifespan—typically 5 to 10 years under normal operating temperatures. As capacitors dry out, their Equivalent Series Resistance (ESR) rises. They can no longer "hold" the DC voltage steady, especially under fluctuating loads. You will see A910 occur intermittently, often during load transients.

Check the machine for jams, excessive friction, or worn bearings that increase the physical load on the motor.

It warns the operator that if the current operating conditions (speed, load, acceleration) continue, the drive will soon trip to a full overload alarm, forcing a machine stop. Common Causes of A.910 Overload Warning yaskawa error code a910

When the drive displays A910, it means the servo motor is operating dangerously close to its thermal or structural limits. Yaskawa drives utilize built-in mathematical models to estimate the motor's thermal capacity based on current draw over time (known as I2tcap I squared t protection).

is an undervoltage alarm of the main DC bus. While it can be a protective response to a brief power glitch, it often points to serious infrastructure issues: loose wires, undersized feeders, aging capacitors, or a failing soft-charge circuit.

Yaskawa drives track the cumulative power-on hours of the cooling fans. By default, the drive is programmed to trigger the A910 alarm when the estimated fan life reaches of its rated limit (typically around 20,000 to 30,000 hours of use, depending on environmental factors). Physical Blockage or Debris The most common cause is a load that

Disconnect the motor from the load and check if the machine moves freely.

If the load factor is too high, try optimizing the motion program:

Since is a warning, the drive will not automatically stop. However, ignoring it typically leads to: They can no longer "hold" the DC voltage

If you have a spare cable, replace the current cable to determine if the cable is the source of the fault. 4. Address Electrical Noise

If the error persists after checking these areas, would you like to troubleshoot a specific Yaskawa drive model or look into parameter adjustment steps AI responses may include mistakes. Learn more Yaskawa Servo Drive Alarm Codes Guide | PDF - Scribd

: Jammed machinery, worn-out bearings, or excessive friction in the driven load.

: If the mechanics are fine but the alarm persists during normal operation, the motor capacity may be insufficient for the application. Important Note: A.910 vs. A.810