Dalilai da mafita ga sassan wutar makera waya ba ja a cikin high zafin jiki akwatin-type juriya makera

①Idan madaidaicin juzu’i ya lalace, bincika a hankali a gano dalilin lalacewar layin, sannan a maye gurbin wasu ɓangarori na ƙaƙƙarfan relay na jihar.

②Idan alamar shigarwa ta al’ada ce, yana iya yiwuwa fis ɗin ya karye, layin haɗin yana kwance ko kuma wayar tanderun ta karye, ƙara tari shugaban, maye gurbin fis, kuma haɗa wayar tanderu.