The shower only works for a few minutes before the water stops coming through. The pump still works but no water comes through. If its lswitched off for an hour or so it will work again but only for a few minutes before cutting out again.
Sounds like the Solenoid valve has gone. You can (easily) replace just the valve rather than the whole solenoid unit for about a tenner but there could be an underlying problem (internal leak) making it fail.
Gaz
March 2011
Automatic Answer
We may have found other answers which could help you.