常见故障：无显示、缺相、过流、过压、欠压、过热、过载、接地、参数错误、有显示无输出、模块损坏、报错等；
MPF-A310P-SJ24AA MPF-B310P-SJ22AA MPF-A320H-MJ22AA MPF-B310P-SJ24AA MPF-A320H-MJ24AA MPF-B320P-MJ22AA MPF-A320H-SJ22AA MPF-B320P-MJ24AA MPF-A320H-SJ24AA MPF-B320P-SJ22AA MPF-A320P-MJ22AA MPF-B320P-SJ24AA MPF-A320P-MJ24AA MPF-B330P-MJ22AA MPF-A320P-SJ22AA MPF-B330P-MJ24AA MPF-A320P-SJ24AA MPF-B330P-SJ22AA MPF-A330P-MJ22AA MPF-B330P-SJ24AA MPF-A330P-MJ24AA MPF-B430P-MJ22BA MPF-A330P-SJ22AA MPF-B430P-MJ24BA