IC card sells meal system- Reads write card time appearance " Please checkout reader/writer Port and password "

IC card sells meal system- - - > On studying writing card time appearance " Reads card a No. fail " Or " Sets up reader/writer condition fail, Please checkout reader/writer Port and password "

Settles means ——
1, Detection " System parameter setting " In reader/writer with computer copular serial port enactment;  
2, Detection " Card issue utensil password " Whethers for 's password same in card ( 12 passwords) ；