• August 06. 2021

Once a fault is detected, the following fault code will be displayed on the operation panel, the fault contact output operates, and the output to motor is disable, the motor will coast to stop. For details, refer to the following table to identify and correct the cause of the fault. Fault No.  Fault display on panel Fault description Possible causes Corrective actions 1 E.oc1 Over c...

• August 03. 2021

V&T E5-PA Special Inverter for Water Supply . For the characteristics of the water supply system, realizing the application requirements of multi-pump switching through single inverter, solving the impact of the start-up on the grid during the water supply process, and the sudden surge of the motor causes the system to surge, and it completely eliminates the water hammer phenomenon. The intern...

• July 28. 2021

This chapter lists all the faults messages including the possible causes and corrective actions. If the drive faults, the drive output is disabled so that the drive stops controlling the motor, and the following fault code will be displayed on the keypad, the fault contact output operates too. Even if a fault is the same, they are displayed differently on LCD keypad and LED keypad. These are all e...

• July 26. 2021

FV20−M serial inverter is equipped with complete protection functions to provide efficient protection while utilizing its performance sufficiently. Some failure instructions may be displayed during operation. Compare the instructions with the following table and analyze,assess the causes and solve failures. Failure No. Failure code Failure description Potential causes Solutions Number 01 E. SC Out...

• July 22. 2021

Fault number Fault Code Fault Description Possible Causes Countermeasure 1 E.oc1 Over current protection when acceleration operation Low grid voltage Check input power supply Startup during motor free rotation Restart after the motor standstill Rotating inertial of load is too large or shock load is too heavy Increase the acceleration time and reduce the sudden change of load Improper setting moto...

• July 20. 2021

The following fault code will be displayed on the keypad, the fault contact output operates too. Even if a fault is the same, they are displayed differently on LCD keypad and LED keypad. These are all explained in the below table. For details, refer to the following table to identify and correct the cause of the fault. LCD keypad LED keypad F0−15 value Fault Name Possible causes Corrective actions...

• June 10. 2021

As we know, VFD drive play a major and very important role in nowadays. It can help the world life more comfortable and sustainable. Variable Frequency Drive for short can called VFD, other names can also called AC Drive, Frequency Inverter, Frequency Converter, adjustable speed drive, adjustable frequency drive, variable speed drive and microdrive. A VFD drive is a type of motor controller that d...

• May 22. 2021

Recently, the first 1000-ton battery electric cargo ship "Zhongtian Dianyun 001" in the Yangtze River Basin was successfully tested in Changzhou, Jiangsu, which marked the official era of clean energy in the Yangtze River freight ships, thereby reducing the emission of pollutants at the source. The battery electrification of ships faces the challenges of complex environments, and has many strict r...

• June 04. 2021

V&T’s 1000pcs electric vehicle motor controller, help save energy and reduce emissions, let “Blue Shenzhen” put into practice. After fully electrification for both bus and taxi in Shenzhen, the electrification’s target point to dump truck. Recently, 1000 battery electric environmental protect dump trucks equipped with V&T’s electric vehicle motor controller one after another for using. It ...