Furance Nordyne E!EB-015HA

Question

Have heating coils and and controls on bench for testing What should be open and or closed on the sequencer .Coils look good and have continunity.Unit worked great untill i cleaned the cooling coils above and got water in the furance below . Transformer blows in60/90 seconds I see no damage but suspect the sequebser or limit switch.

Help
Bill g