R26 Air con issue. Anyone got a fuse box diagram?

I'm trying to get to the bottom of why my climate control isn't working on my R26 and just want to make sure I'm not missing anything obvious before dropping it off at my local specialist.
I've had my mates diagnostic tool plugged in and there are not faults logged and the system pressure is reading fine at 4.2bar on both the diagnostic machine and on a set of refill gauges so I know the common pressure sensor failure isn't the problem. Before removing the bumper and checking if I'm getting power to the compressor clutch has anyone got a fuse box diagram so I can double check it's not a simple blown fuse or faulty relay?

Thanks