SUNON Fan KDE 1206 PTV2A

05/16/2025

Compatibility Error Between Fuji HMI and Siemens PLC and the Solutions

With the development of computer network and fieldbus technology, PLC and HMI are widely used in industrial control and building automation.

08/14/2020

Low-voltage alarm and fault repair methods for precision air conditioners in computer rooms

The low-pressure alarm for the special air conditioner in the data center computer room is a problem we often encounter in daily maintenance. Especially often encountered in winter.

08/06/2024

Excavator Repair Case Study: Speed Drop + Slow Action of the Excavator Stick

The stick and boom of the excavator are the "arms" of the construction machine. Whether it is used for loading, leveling slopes or digging trenches, any operation is inseparable from the precise tacit cooperation of them.

08/24/2020

You never know why using air conditioners in summer can easily cause fires

Why summer is the season of high incidence of air conditioning fires? Why is it that the air conditioner is properly used, and it will spontaneously ignite after use? This is actually for a reason.

08/14/2020

Air conditioner repair-come here

I learned from a senior air conditioner repairer that we can judge the general failure of the air conditioner by observing the characteristics and operation of the air conditioner.

09/07/2020

How to save energy for permanent magnet variable frequency air compressor

In today's air compressor market, the majority of manufacturers and users pursue energy saving. For screw air compressors, the energy-saving type can be divided into two types: ordinary frequency conversion series and permanent magnet frequency conversion series.

08/20/2020

Don’t worry if the air conditioner is not cooling or self-protection function

The air conditioner at home didn't feel cold, so I quickly called an air conditioner repairer to add refrigerant. Yesterday, many citizens in Wuxi, Jiangsu Province reported that the weather has been very hot recently,

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

09/08/2020

Three energy-saving transformation methods for air compressors

With the continuous development and progress of society, energy conservation has become an increasingly topic of concern to people. All walks of life are taking active and effective energy-saving measures. Below, we will share with you the energy-saving transformation methods of air compressors.

08/20/2020

What are the preparations before starting the chiller

Water chiller is an energy-saving machine that achieves cooling effect through vapor compression or absorption cycle. Chillers are called cooling water circulation machines, also called chillers,