On 7 May, 22:23, "Tim.." wrote:

I would put £10 on the low pressure switch has disabled the compressor due
to a low charge. Get it evac'd and recharged first, or at least the low side
pressure read with the system at rest.

Tim..

OK, thanks, I'll have a look through the yellow pages tomorrow.
Anyone got any recommendations for who to use? (Or who to avoid for
that matter). I'm in Gloucester/Cheltenham area.