Or cab door interlock problems. Never had a problem in 16 years!
The last I heard was that every cab of the newly acquired units has had door issues at some point during Southern's operation of them.
I have no definite reason to offer but your comment makes it sound like an issue has occurred during refurbishment. I wonder if there has been a problem with the fit of the doors after repairs to weather-related damage. If the structures around the cabs had a similar level of deterioration to the corrosion found elsewhere (and I have been assured that it was appalling) I would not be surprised.
In my experience as a passenger the A/C on Southerns 171's has always been temperamental in very high temperatures particularly when the train is heavily loaded.
As regards cab door interlock would that be because Southern drivers are not used to slamming the door?
If the cab interlock is achieved immediately after a harder slam of the door, then probably, yes. But then there have been what I can only describe as weird and wonderful issues, including one where a driver changed ends
within the unit only to find that the door next to them had lost interlock, having been at the opposite end and not having been touched during the previous journey or during changing ends.
Do Turbostars use the same aircon system/setup as Electrostars?
It's not the same as GTR Electrostars. I can't comment regarding the rest of them!
The original 377's don't have air assisted doors, but not sure on how drivers are distributed with the 171's and if they have dual/multi traction knowledge... so it might be possible they have never had to close the cab door that has a decal next to it stating something along the lines of 'close firmly to prevent interlock issues'...
All drivers who sign 171s also sign 377s. That would include regular use of the older 377s with unassisted cab doors.
However, they certainly would not used to be used a lack of assisted doors on 171s.