The warranty period is calculated from the date of acceptance, generally one year,If the contract stipulates the warranty period, it will be implemented in accordance with the contract

Hardware and connector failures in the display screen caused by non-human causes, display
Display control system failure, contractual spare parts and equipment failure

Dispatch engineering and technical personnel to the display site to provide installation guidance, debugging, maintenance, training and other technical services

The connection problem of the cable, network cable, power cable, signal cable, etc. on the display screen,Parameter setting and system software failure problem (remote guidance)

Module, switching power supply, sending card, receiving card, function card and other accessories or equipment failure (mail repair)

The display pixel out-of-control rate exceeds the standard, and the number of faulty modules exceeds the number of spare modules.One-time over 10% of the number of modules, switching power supply, receiving card failure (on-site maintenance)