| Symptom | Likely Cause | Recommended Fix | | :--- | :--- | :--- | | | Electrical Noise / Bad Encoder | Check cable shielding; Replace encoder; Check PG card. | | Motor is coasting (spinning) on start | High inertia load / Gravity | Enable Speed Search (b3-02 = 1) or increase b3-01 threshold. | | Error occurs after maintenance | Wiring swapped or Param mismatch | Swap motor leads (U/V/W) OR adjust parameter F1-02 . Verify F1-01 matches new encoder. | | Error occurs during decel only | Regeneration / Load pushing motor | Adjust deceleration time (C1-02) or check braking resistor. |
If the load is normal and wiring is secure, the internal current detection circuit in the SERVOPACK may be faulty. yaskawa error code a910 link
This feature effectively tells the operator: "The motor is running hot; reduce the load or check the system before the drive shuts you down." | Symptom | Likely Cause | Recommended Fix
: Misaligned rails, lack of lubrication, or debris in the machine causing friction. Incorrect Sizing Verify F1-01 matches new encoder