(1) external observation. lop QID pItlh junction boxes, pagh Hutlh meQ, overheat winding Doq 'ej wovbe' mej 'ej smelly.
(2) Qul Hat method. tup no-load qet 20 (HeghDI' tu' lurIHbogh vaj mev SIbI'), wovbe' motlh Hot Hoch windings je Dub 'ay'.
(3) HoS waH. 'aD je meter, vaj 'IqwI' Qu'mey potlh, vaj nitlhDaj lo'taHvIS boQwI'vaD tu'moH yopwaH bID circuit.
(4) inspection meH. Qo'noS measurement dc resistance winding, 5 vatlhvI' wovbe', vaj not exceed Sa' difference tlhoy resistance mach wa'-phase yopwaH bID circuit pIch.
(5) yopwaH bID circuit detector method. circuit QID ngaj 'aD, chaq, qatlh vibrate jan'e' yoDSutlIj naQ.
(6) method joq ohmmeter multimeter. 'e' phases cha'DIch-phase run circuit SabtaHbogh QID nitlhDaj lo'taHvIS boQwI'vaD tu'moH two-phase QID insulation resistance, minimal measurement vay' pagh reading pagh.
(7) voltage chagh method. qaSpu'DI' series wej-winding vaj 'eS voltage vanglu'Qo'DI' ac, laD mach wa' ghom detected pIch.
(8) Qu'mey potlh method. nguSDI' no-load yo'SeH, wej-phase Qu'mey potlh 'aD, two-phase measurement comparison, 'ej ngaSwI' yuvtlhe' wIngaQmoHta'DI' vaj QID yopwaH bID circuit Qu'mey potlh not choH je HoS boch chemvaH Ho'Du' jej, weghbogh maH.
