sentry gun don't fire on quarantine chaos zombie mod v2!

hello boys, i have another question of quarantine chaos zombie mod v2...i have activated the killstreaks on quarantine chaos zombie mod and they work perfectly...but....the sentry gun (turret) don't fire to the enemy!
Can i activate it fire from the .gsc files? thanks!

P.s. Sorry for my bad english!

The zombies got cold blooded -.-

oh sorry