What factors cause LED display screen failure?

With the continuous development of science and technology, LED display screens are not only high in brightness, long in life, and have a wide viewing angle, but also have more and more extensive applications. However, in the normal use of LED display screens, various faults are inevitable occasionally. So, what factors cause LED display screen failures? Today, the editor will take you to explore it together.

Main causes of failure

According to statistics, 80% of LED display screen failures are caused by the following factors:

Wire harness, terminals, and connectors for AC power distribution:

These components play a vital role in LED display screens. If they are improperly selected or poorly installed, they may cause problems such as overall or partial black screen, flower screen, mosaic, and no signal on the display screen. What are the supporting equipment for LED display screens?

Signal and low-voltage DC connection harness and connector:

If these connection harnesses and connectors are not well connected, the display signal may be unstable, causing abnormal display of the picture.

Switching power supply module:

The failure of the switching power supply module will directly affect the power supply stability of the LED display, resulting in uneven brightness or flickering of the screen. Here is the knowledge about nit brightness.

Fan:

The fan plays a key role in the heat dissipation of the LED display. If the fan fails, it will cause the display to overheat, affecting its normal operation.

Plastic shell components:

The quality of the plastic shell components and whether they are installed in place will also affect the working stability of the display. If there is a problem with these components, the shell may be deformed, affecting the protective performance of the display.

Secondary failure causes

In addition to the above main failure causes, 80% of the remaining failures are caused by the following factors:

Solder points, capacitors, and terminals on the PCBA:

If these electronic components are poorly welded or of unqualified quality, the LED display may have problems such as blind lights, high brightness, one or more lines not bright, and lack of color.

LED lights:

The quality problems of the LED lights themselves or the expiration of their service life will cause abnormal brightness of the display in part or in the whole.

Water leakage and dust accumulation caused by insufficient protection level of the cabinet:

If the protection level of the LED display cabinet is insufficient, moisture and dust from the outside will enter the cabinet, causing circuit short circuit or corrosion of components, thus affecting the normal operation of the display.

Rust of external screws and hardware:

If the external screws and hardware are rusted, it will affect the structural stability of the display, and then affect its working performance.

Control board:

If there is a problem with the control board, the image on the display will be abnormal or even completely unable to display.

Preventive measures

In order to reduce the failure rate of LED display screens, we should pay attention to the following points during production and use:

Choose high-quality components and components:

Control the quality of components and components from the source to ensure their performance and reliability.

Standardized installation and maintenance:

Install and regularly maintain according to specifications to ensure good contact of each interface and connector to avoid looseness and poor contact.

Strengthen protective measures:

Improve the protection level of the display cabinet, avoid the entry of moisture and dust, and regularly check and replace rusted screws and hardware. Take you to understand the LED IP level in 5 minutes.

Regular inspection and maintenance:

Regularly inspect and maintain the LED display screen to promptly discover and eliminate potential faults.

In summary, the various faults that occur during the use of the LED display screen are mostly caused by factors such as wiring harness connection, component quality, and insufficient protective measures. Only by strictly controlling each link during the production and use process can the occurrence of faults be effectively reduced and the normal use of the LED display screen be ensured.

Thank you for watching. I hope we can solve your problems. Sostron is a professional LED display manufacturer. We provide all kinds of displays, display leasing and display solutions around the world. If you want to know: What performance does an outdoor LED display have? Please click read.

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