天气预报 > 其他 > 收银机按键失灵怎么办
收银机按键失灵怎么办
更新时间: 2020-10-11 00:00:00  

1、按键卡死的话,逐个按键按一次,每个按键是否有弹力。

2、键盘潮湿、漏电,可以清洗、干燥机板。

3、键盘纵、横线的保护元件及抗干扰电容漏电、短路,可以通过测对地电阻或键盘 触点电压来判定。

4、盖控制电路失效引起

5、CPU虚焊或坏,那就需要重植、更换。

6、机板断线。

关键词: 按键 失灵 怎么办

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