How can I fix my Triton shower?

My Triton Jade shower has just stopped working. There is a good power supply to the shower. The low pressure light has come on although the mains water pressure to the rest of the house is fine. Why wont it work?
Jon, October 2004
Could be solenoid valve faulty

B Cambridge, November 2004
could be crap in the inlet valve need to remove and clean

rs, October 2004
link Click here to see other fixes for Triton.