(1) Sudee lëkkalekaayu vanne solenoid bi dafay yàqu wala mu daanu, te vanne solenoid bi amul benn doole, mën nañu ko screweed.
(2) Dañu lakk vanne vanne solenoid bi. Mën nañu dindi fiil solenoid bi ba noppi ñu natt ko ak multimetr. Sudee circuit bi ubbeeku na, bobine solenoid bi dafay tàkk.
Sabab yi bokkuna ci bobine bu am ndox, isolation bu baaxul ak flexu flux magnetik, loolu moo jur courant bu bari ci bobine bi ba noppi lakk. Ventu solenoid bi seer na lool, kon dafay baax ñu tere ndoxu taw du dugg ci vanne solenoid bi. Rax ci dolli, sudee ressort bi dafa metti lool, dooley reaction bi dafa yaatu lool, limu robine bi dafa tuuti lool, te dooley suction bi doyul, serpentin bi dafay tàkk.
