Display failure. After inquiring about the relevant information of Shanghai Tiandi shearer, we learned that the display screen of Shanghai Tiandi shearer does not light up because of the failure of the display screen. You only need to contact the salesperson for repair. Coal shearer is one of the main equipment of fully mechanized mining equipment. The shearer evolved from the shearer. Coal shearer is one of the important equipment to realize the mechanization and modernization of coal mine production.