Jet bath help required...

So we recently bought a new house with fancy corner jet bath.

Guess what, the jets don't switch on. From what I could read up, there could be several issues...

First of which could be power supply, then the pressure switch, then motor/pump failure.

I need someone to come and look at it, but finding jet bath people eager on just coming out to check is proving to be a pain.

There is no inspection hatch, so the bath would have to be lifted out of it's corner to see whats cooking.

Worst case is I replace the bath with a non-jet bath and get rid of the existing. (free to good home)

Does anyone here know of someone who can help?

Much appreciated.

PM for more details.