Chipangizocho sichingagwirizane ndi PC
Chifukwa1 - Njira yolumikizirana sinakhazikitsidwe bwino.
Solution1 - Sankhani njira yoyenera yolumikizirana.
Chifukwa2 - Chingwe sichimalumikizidwa mwamphamvu kapena vuto la hardware.
Solution2 - Lumikizani chingwe mwamphamvu kapena sinthani ku chingwe china.
Chifukwa3 - Osatha kulumikiza COM (COM No yolakwika).
Solution3 - Chonde lowetsani COM No.
Chifukwa4 - Osatha kulumikiza TCP/IP (makonzedwe olakwika).
Solution4 - Onani bukhu lothandizira kulumikiza terminal ya Time Attendance.