The above shower has suddenly started lighting up low pressure after approx 30 seconds of use then running cold , pressure on bathroom tap is same as always.Shower is cold mains fed and supply is from cold bath tap feed, filter,spray head, hose checked for blockage etc.

Martin, November 2010

Hi, I think these showers have a little switch on the pcb that is activated off the pressure mechanism on the flow valve. Sometimes the switch breaks and you need a new pcb or sometimes the mechanism relaxes and stops pressing against the switch. You could try looking at these.

Good luck

Paul M, November 2010