Well, Aquamon, that was a useful contribution. Well done.
I hope I never have to work with, for or near you.
Which bit of
Once the plug and wires get fixed/replaced we are good again for a couple of hours.
did you not quite understand? It's rep-et-it-ive fault which his maint-en-ance team are not man-ag-ing to fix, and he's getting fed up with it and them, especially if you are right and they are just fobbing him off with rubbish as they fail again to fix it properly.