Keyboard maestro isn't going to be able to detect if the engine isn't running, or start it if the engine isn't running. You'll have to start the engine using another method.
Try: TIP: How To Launch or Restart KM Engine Without Using KM
Keyboard maestro isn't going to be able to detect if the engine isn't running, or start it if the engine isn't running. You'll have to start the engine using another method.
Try: TIP: How To Launch or Restart KM Engine Without Using KM