Nthawi zina zifukwa zazikulu zimaphatikizira kusowa mphamvu mu solenoid coil, coil yopyapsa, magetsi olakwika, osiyana kapena otsika kwambiri), ndi chubu. Itha kukhalanso chifukwa cha gawo lofunikira kwambiri pa valavu yosowa kapena yowonongeka
Chifukwa chake musanayesetse kukonza vutoli, dziwani mtundu wa solenoid valavu yomwe muli nayo. Itha kukhala yotseguka nthawi zambiri kapena yotseka solenoid valavu.
1) Vuto la Coil
2) magetsi olakwika
3) Kusiyanitsa Kusiyana
4) Mpando wowonongeka, wowonongeka, ndi chosindikizira
