In official Yaskawa documentation, the A.910 error code is explicitly defined as an . It is a proactive, pre-alarm notification indicating that the drive is approaching a state where it will be forced to shut down to prevent damage.
Disconnect the motor from the load and check if the machine moves freely by hand.
The overload warning level (Pn52B) might be set too low for the specific application. yaskawa error code a910 link
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Catching the A.910 code early prevents unexpected machinery shutdowns, manufacturing defects, and hardware degradation. 🔍 Root Causes of Yaskawa Error Code A.910 In official Yaskawa documentation, the A
Inspect for any binding, debris, or mechanical wear that increases friction. Verify Torque Levels Monitor the Torque Reference (Un002) using the drive's Digital Operator
Verify that connections between the Servopack's U, V, W terminals and the motor are secure and not creating a ground fault or short-circuit . Step 3: Verify and Adjust Parameters The overload warning level (Pn52B) might be set
[A.910 Warning Triggered] │ ▼ 1. Isolate the Mechanics ──► (Spin motor manually; check for binding) │ ▼ 2. Check Parameters ──────► (Verify Pn52B Overload Warning Level) │ ▼ 3. Inspect Hardware ──────► (Verify 55°C max panel temp & solid wiring) Step 1: Isolate the Mechanical Load
[Mechanical Bind / Friction] ───┐ [Incorrect/Faulty Wiring] ──────┼───► [Excessive Motor Current] ───► A.910 Warning [Aggressive Motion Profile] ────┤ [Improper Parameter Pn52B] ─────┘ 1. Mechanical Resistance and High Friction
: A poorly connected main motor cable or encoder feedback cable can cause single-phasing or severe performance jitter, leading the drive to miscalculate thermal state calculations. Improper Parameter Configurations
: Loose connections in the motor main circuit or encoder issues can cause improper torque control. MachMotion Troubleshooting & Fixes Check Mechanical Systems