russelhobs glide 2200 iron light not illuminated, iron cold wont pump steam?

RusselHobs steam glide 2200 was working then stopped. Light on iron section nolonger working iron not heating yet power still on to base. clicking noise still happening yet pumping the steam through to iron not working.
is there a part or various parts i can buy and replace. I have already dismantled the iron but can see no apparent faults. not used a meter at this time.
audrey

Im a technical person. just not irons.!!