bridge simluation problem Proteus ISIS [time step too small]

[Jawad Mansoor]

hi,
i m having problem in simulation, i m using proteus 8.0. i have made this half bridge, the problem i m getting is when i give the logic state 1, the motor rotates as it should however when i change the logic state to 0, the motor slows down and gives an error time step too small, the branch that refers to the error

View attachment H-bridge.rar



help me plz

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when i click the highlighted code it says branch node not found

 

[FvM]

That's not a half bridge. Motor is connected totally wrong.