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Service & Support
Home>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.
  • 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.
  • System adjustment
    Our technicians can help you adjust the system.
  • 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.
  • Remote instruction
    We provide all kinds of support through online platform.
  • Bidding support
    We are pleased to provide technical support for your bidding.
  • 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.
  • Calibration
    We have technicians and test equipment to calibrate.
Troubleshooting
  • 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
  • 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.
  • 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
  • 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
  • 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
Download Center
File Name File Size Date Download
Fine Pitch LED Display Catalogy---TVB Series 5.69 M 2020-03-01
Fine Pitch LED Display Catalogy---T Series 4.64 M 2020-03-01
Rental LED display Catalogy---X Series 4.59 M 2019-07-29
Rental LED display Catalogy---H/HL Series 5.54 M 2019-07-03
Rental LED display Catalogy---HB Series 4.78 M 2019-07-03
Commercial LED Display Catalogy---G Series 4.28 M 2019-07-01