Title says it all.
No error messages? Roughly how far away was the other player?
A bleeding PC is not subdued is he? The monster was not using subdual mode, but full dam.
I think this is why this is not working.
Actually, that's a good question. The only difference is one of variables, but they technically work the same way. I'm not personally familiar with the script, but the command is supposed to work in both cases.