for gas chromatograbhy cooling problm & not coming in ready condition

If The GC have Cooling Problm check the following
first check the your gc cooling fan is working r not
check your impellar fan is woking r not
check the cooling fan flap is closing properly r not if not working do oiling on flapers moving point.
open the connection and reconnect.if problm not solve then callyour service provider.