dear fran one of 4 things 1. may be a faulty microswitch
2.faulty flow control valve.3.element in heating tank may be faulty 4 .is there enough pressure to work shower.you need a tester to test these. my shower is faulty and i have decided to buy a new mira go from argos. best of luck with yours.nig
nigel
October 2009
I have this same problem with same shower and we had a new filter put in but it hasn't changed it still shows up as low pressure!
Pat
September 2009
If your water pressure is too low then this will happen. Otherwise it might be a blockage in the pipework to your shower reducing the water flow and causing a low pressure in the shower. I think there is a filter on the shower water inlet that may be clogged up. To check this you need to take off the incoming water supply pipe.
Good luck
Paul M
September 2009
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