Vexta PX243-02AA Stepper Motor

The Vexta PX243‑02AA is a 2‑phase DC stepping motor rated at 9.6 V and 0.4 A with a 1.8° step angle, commonly used in precision positioning systems. Typical failure modes for this class include coil winding shorts or opens, insulation breakdown under high voltage, and driver mismatch causing overcurrent or overheating; mechanical binding can also limit torque output. First‑check diagnostics should verify the supply voltage to the motor coils, inspect the coil resistance against spec, confirm that the driver is correctly configured for 2‑phase operation and current limiting, then visually examine wiring harnesses for frayed insulation or connector corrosion.[oss-gpt-20b]

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