JS4BI型出售机的数码管,在使用一段时间后,常常出现某位数字不亮、数字重显、字迹模糊等故障。引起用户怀疑,影响正常使用。维修人员遇此情况,一是换一只新数码管,另是与十位上的数码管进行对调。在更换中发现,大多数是个位“0”数码管被烧坏。其原因是出售机每天连续开机时间为7—8小时,甚至更长,数码管的“0”字在不投币的情况下,一直工 JS4BI type sales machine digital control, after using for a period of time, often a number is not bright, the figures were heavy, illegible and other failures. Cause users to suspect that affect the normal use. Maintenance personnel in this case, one for a new digital tube, and the other with the digital control on the 10th place. Found in the replacement, most are a bit “0 ” digital tube was burned. The reason is the vending machine daily boot time for 7-8 hours, or even longer, digital control “0 ” word in the coin case, has been working