Service & Support
Service Philosophy
Desay is dedicated to offer excellent products and service to clients! We keep integrity as brand core, keep quality as brand foundation and keep innovative produce as brand carrier. With professional ability in R&D and quality management, resort to high-quality and high value products and multi-skilled & efficient engineer team to provide professional, fast and thoughtful solutions, pre-sales and after-sales support, training, guidance and installation services for global customers! Desay always adheres to the customer-centric concept to pursues excellence and challenges the limits, to contribute professional value for customers, and strive to become more valuable and potential partners in the new era of industrial transformation.
Calibration
We have technicians and test equipment to calibrate.
Bidding support
We are pleased to provide technical support for your bidding.
System adjustment
Our technicians can help you adjust the system.
Remote instruction
We provide all kinds of support through online platform.
Conceptual design
Just tell us what you want, our R&D team will design the solution with you.
Installation
If you need, our technical support team will provide seamless LED installation service.
On-site maintenance
To ensure the successful start of your activity, our technicians are waiting to provide on-site service with according to your requirement.
Maintenance and support
We will help you to keep the LED display running perfectly. We have opened global repair centers in Germany & Huizhou, and set up sales, service and representative office in Europe and North America, to provide quick service for you.
Troubleshooting
1. All panels and/or monitor screens display incorrect video or no video at all
(1) Incorrect video input or panel setting on the control system
Check setting (PAL/SECAM/NTSC option and overall panel strength setting, etc.)
(2) Video signal unavailable or video source defective
Check the video source
(3) Control system failure
Check connections and cables, correct bad connections, repair or replace damaged cables.
(4) Equipment failure on the control system
Test and repair faulty panels or equipment by Desay service technicians or suppliers
2. The screen Intermittent
(1) Incorrect video input or panel setting on the control system
Check setting (PAL/SECAM/NTSC option and overall panel strength setting, etc.)
(2) Video signal unavailable or video source defective
Check the video source
(3) Control system failure
Check connections and cables, correct bad connections, repair or replace damaged cables.
(4) Equipment failure on the control system
Test and repair faulty panels or equipment by Desay service technicians or suppliers.
3. One LED module was cut off
(1) Incorrect video input or panel setting on the control system
Check setting (PAL/SECAM/NTSC option and overall panel strength setting, etc.)
(2) Control system failure
Check connections and cables, correct bad connections, repair or replace damaged cables.
(3) Equipment failure on the control system
Test and repair faulty panels or equipment by Desay service technicians or suppliers
4. The panel is completely out of power
(1) Video signal unavailable or video source defective
Check the video source
(2) Incorrect video input or panel setting on the control system
Check setting (PAL/SECAM/NTSC option and overall panel strength setting, etc.)
(3) Video signal unavailable or video source defective
Check the video source
(4) Control system failure
Check connections and cables, correct bad connections, repair or replace damaged cables.
(5) Equipment failure on the control system
Test and repair faulty panels or equipment by Desay service technicians or suppliers
5. One or more panels display incorrect video or no video at all
(1) Incorrect video input or panel setting on the control system
Check setting (PAL/SECAM/NTSC option and overall panel strength setting, etc.)
(2) Video signal unavailable or video source defective
Check the video source
(3) Control system failure
Check connections and cables, correct bad connections, repair or replace damaged cables.
(4) Equipment failure on the control system
Test and repair faulty panels or equipment by Desay service technicians or suppliers
