Display of KPV-CE01 is Abnormal | Delta Electronics VFD-VE Series

5.7 Display of KPV-CE01 is Abnormal

Abnormal display or no display

Yes

Turn the power off and power on again after display is off

Chapter 5 Troubleshooting

Fix connector and eliminate noise

Display normal?	No

Yes

AC motor drive works normally

Check if all connectors are connected well and if there is no noise

Yes

AC motor drive has malfunction. Please contact DELTA.

5.8 Phase Loss (PHL)

Phase loss

Check if the wiring of terminals R, S and T is OK

Yes

Check if the screws of terminals are tightened

Yes

Check if the input voltage of R, S, T is unbalanced

Check if it is 40hp and above

		No		Connect all three
				phase well


No			Tighten all screws
	Yes		Tighten all screws


				Please check the wiring
				and power system for
				abnormal power

	Yes
	Yes			Please check the fuse
				at AC side

Maybe AC motor drive has malfunction or misoperation due to noise. Please contact DELTA.

Revision August 2008, 03VE, SW V2.04

5-5

VFD-VE Series specifications

Delta Electronics VFD-VE Series is a state-of-the-art variable frequency drive (VFD) designed to enhance energy efficiency and improve the operational capabilities of various industrial applications. Renowned for its reliability and performance, the VFD-VE Series serves a diverse range of sectors including manufacturing, HVAC, and water treatment.

One of the primary features of the VFD-VE Series is its advanced control algorithms, which provide precise speed and torque control for AC motors. The series utilizes a vector control method that enables excellent dynamic response and a wide speed range. This is particularly beneficial for applications requiring variable speeds or precise positioning, as it ensures smooth acceleration and deceleration while maintaining optimal performance.

The VFD-VE Series stands out with its Energy Saving Technology. By intelligently optimizing motor control parameters based on the load, the VFD can significantly reduce energy consumption. This built-in functionality not only helps companies save on electricity costs but also contributes to a lower carbon footprint, aligning with global sustainability efforts.

Another key characteristic of the VFD-VE Series is its user-friendly interface. Equipped with a clear and intuitive LCD display, it simplifies monitoring and adjustments, allowing operators to configure settings easily. Additionally, the series supports various communication protocols such as Modbus, EtherCAT, and CANopen, enabling seamless integration with existing control systems for enhanced automation.

The VFD-VE Series is built to withstand harsh industrial environments. Its robust design includes features such as IP20 or IP55 ingress protection ratings, ensuring reliable operation even in dusty or humid conditions. Furthermore, the drives are equipped with advanced thermal management systems that prevent overheating, thereby prolonging the lifespan of the equipment.

Safety is also a priority in the VFD-VE Series, which incorporates multiple safety features such as overvoltage, undervoltage, and overcurrent protection. These safeguards help protect both the drive itself and the connected machinery, minimizing downtime and reducing maintenance costs.

Overall, Delta Electronics VFD-VE Series combines cutting-edge technology, energy efficiency, and robust design to meet the dynamic needs of modern industrial automation. With its advanced features and reliable performance, it is an ideal choice for businesses aiming to optimize their processes and achieve greater energy savings.

Delta Electronics VFD-VE Series manual Display of KPV-CE01 is Abnormal, Phase Loss PHL, Yes

Models: VFD-VE Series

5.7 Display of KPV-CE01 is Abnormal

5.8 Phase Loss (PHL)

Yes

VFD-VE Series specifications