Star delta stater auto manual problem

[SANTHA VINAY]

My water pumproom control panel have 2 pump .two pump working with star delta starter.today one pump normally auto manual working but pump 2 auto manual also noworking.but when I press star starter switch delta starter switch working.normally no working when the pump two auto starting time.pump one auto manual ok.

 

[BEMPE16524]

i guess the problem is still too broad. maybe an electrical guy can start tracing any electrical problem first.

R.Efendy