Mira advance thermostatic

Shower runs, then you get a surge of cold water then it returns to normal. This happens a couple of times in quick succession then it switches off. You also get a clicking noise while it is returning to normal. Also it has just started to make a beeping noise when you try to turn it on at the unit but nothing happens. Doesn't switch on. Turn power off, it then returns to normal for a while then goes throught the cycle again. Any ideas would be great. Thanks
Asked 10 years ago by Dawm
I think that you have a faulty relay board,


http://www.showerdoc.com/mira-relay-board-and-earth-wire-406-88

Answered 10 years ago by Anonymous

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