LCD DID splicing screen fault identification flow chart Fault phenomenon Check the cause of the fault and eliminate the black screenAll the black screens are lit or not
LCD DID splicing screen fault identification process table
malfunction
phenomenon
an examination
Causes and troubleshooting
Black screen
All screen black
Whether the screen is lit (judging whether it is lit or not, you can clearly see the change of the screen lighting and no light when the machine is turned on and off in the dark room)
Have
Check the processor \ matrix and other previous signal processing equipment
Signal source failure
no
Check the power supply system or control system
Power failure or control system failure
Single screen
View the status of the LED lights on the back panel
1. STB indicator (total power) goes out
Yes
Test test
1. Check if the power outlet is normal
Replace the power outlet
2. Check whether the power cord is firmly plugged in the mains socket, whether it is loose or not
Re-plug the power cord or replace the socket / wire
Boot check
3. Check whether the power board in the PDP is normal
Replace the power board
4. Check whether the IP board is good
Replace the IP board
no
Check the 232 cable, ID number
Replace 232 lines
2. Only the No. 4 orange light is on
Use MSCS software to read IP board data and upgrade IP board
Replace the IP board
Control problem
Single screen cannot be switched
It is not possible to switch any single block or multiple blocks on a large screen through MSCS
1. Check that the number of screens in the MSCS software and the XY screen arrangement order are incorrect.
Reset MSCS software
2. Check if the RS232 cable is connected to all LCDs.
Reconnect the 232 line
Full screen cannot be switched
Can not switch any part of the big screen through MSCS
· 1. Check if the MSCS software is open.
Close the multi-open MSCS software
· 1. Check if the RS232 cable between the control computer and the large screen is connected.
Reconnect the 232 line
· 1. Check if the COM port number in MSCS corresponds to the port where the current COM port is connected to the large screen.
Select new COM port when starting MSCS
Display image color cast
The colors between the screens are inconsistent and / or the entire large screen is cast
· 1. Check the VGA cable for poor contact and virtual soldering.
Replace the VGA cable
· 1. Check whether the brightness and contrast of each screen are consistent through the MSCS software.
Re-adjust the brightness and contrast
Huaping
Y board damaged
Replace Y board
Black spots on the corners of the screen
The screen was hit by an external force, and the LCD screen was damaged
Replace the LCD screen
Single screen cannot be turned on
One or two screens cannot be turned on
Error during boot process
Disconnect the main power of the large screen and wait 5 minutes, then power on and restart
Image misalignment
Image misalignment is not a fault phenomenon. For detailed debugging methods, please refer to the corresponding MSCS and image processor manuals.
While the escalator truss can last for the lifetime of the building, mechanical components can wear out or become outdated. Safety regulations, as well as electrical and monitoring systems, have changed considerably in the last 10 or 20 years. And aesthetics can change as quickly as trends in interior design.
Given these various lifecycles, it makes sense to take a flexible approach to escalator modernization. We give you a range of options, so you can replace the entire installation or individual components as needed, with a modular solution.
the CEP offers a modular solution for escalator modernization, so you can replace individual components or complete functional packages, as needed. This enables you to improve safety or enhance the aesthetics, for example, while leaving the mechanical components intact. So you can have a modern-looking escalator that meets the latest regulations, with minimal disruption to employees and customers.
CEP Modular Escalator Modernization
With our modular escalator modernization solutions you can renew individual components or complete systems. For example, you can choose upgrades that improve the safety and appearance of your equipment while leaving the mechanical components intact. With modular modernization you benefit from the latest technology and keep your equipment in line with the latest regulations, all with minimal inconvenience to tenants and visitors.
CEP Full Escalator Replacement
With full escalator replacement you benefit from reduced energy costs, as well as greater safety, reliability, and style. Our flexible replacement options keep disruption to a minimum.
Escalator Modernization,Escalator Drive Modernization,Escalator Machine Modernization,Escalator Engine Modernization
CEP Elevator Products ( China ) Co., Ltd. , https://www.zjelevatordoorsystem.com