第1页共6页柯基楼宇对讲问题检修目录一、快速排除确定故障方法...................................................................................................21.1缩小范围法：.............................................................................................................21.2替换法：.....................................................................................................................21.3验证法：.....................................................................................................................2二、故障的规律性总结...........................................................................................................2三、故障诊断与解决方法.......................................................................................................33.1视频图像问题.............................................................................................................33.1.1整栋无图象......................................................................................................33.1.2整栋图象有干扰,如横纹、波浪、雪花。.....................................................33.1.3图象发白/发黑.................................................................................................33.1.4某几层无图象..................................................................................................33.1.5某层无图象......................................................................................................33.1.6某户无图象......................................................................................................43.2对讲呼叫问题.............................................................................................................43.2.1整个单元呼不通..............................................................................................43.2.2出现忙音..........................................................................................................43.2.3某层呼不通..........................
