Yaskawa Error Code A910 Exclusive Jun 2026

If troubleshooting allows, temporarily remove the option card to see if the A910 code disappears. If it does, the option card or its network traffic is the culprit. Step 3: Mitigate Electrical Noise (EMI/RFI)

| Step | Action | Expected Result | | :--- | :--- | :--- | | | Monitor U1-07 (DC Bus Voltage) during normal run. | Should be ~1.35x input voltage (e.g., 540-620VDC for 400V class, 270-310VDC for 200V class). | | 2 | Check L2-05 (Undervoltage detection level). Factory default is usually 380VDC (400V class). If set too high, nuisance A910 occurs. | Lower L2-05 by 5-10% only if power supply is truly unstable. | | 3 | Check L2-01 (Momentary Power Loss Ride-Thru Time). Default = 1.0 sec. | Increase to 2.0 seconds if utility sags are common. | | 4 | Measure input voltage while running at 100% load. | Voltage drop should not exceed 10% from no-load to full-load. | yaskawa error code a910 exclusive

If you follow a generic manual, you will waste hours. Use this Yaskawa A910-exclusive diagnostic flow instead. | Should be ~1

Ensure proper shield grounding to prevent Electro-Magnetic Interference (EMI) from distorting signal readings. Σ-V Series - USER'S MANUAL Design and Maintenance If set too high, nuisance A910 occurs

Clear physical obstructions, lubricate rails, or repair failing gearboxes. Electrical Wiring

To resolve the A.910 code, inspect these five common triggers identified in Click2Electro's Sigma 7 Guide Mechanical Load Issues