Sarah scrolled. "It says... 'Standby Mode. Ready for AC output.'"

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The CVF-S1 series operates primarily on single-phase power and uses a digital keypad for configuration. Key parameters for setup include: Parameter Default/Range Running command source (0: Panel, 1: Terminal) F0.03 Frequency setting source (Potentiometer, Buttons, Analog) F0.04 Maximum input frequency (Highest allowed output) 50.0Hz (Range 50.0–999Hz) F0.05 Frequency upper limit ⚠️ Safety & Installation Notes

| Error Code | Description | Typical Cause & Solution | | :--- | :--- | :--- | | | Overcurrent during deceleration | Cause: Deceleration time is too short. Solution: Increase the deceleration time parameter. | | Er.03 | Overcurrent during operation | Cause: Sudden load change or increase. Solution: Reduce load fluctuations or use a larger capacity inverter. | | Er.04 | Overcurrent during acceleration | Cause: Acceleration time is too short. Solution: Increase the acceleration time. | | Er.05 | Overvoltage during deceleration | Cause: Motor regenerates energy too fast. Solution: Increase deceleration time or add a braking resistor. |