mira advance standard shutting down on high temperature

Hi, the shower works fine on low temperature settings 1-4 on low med high flow, however above 5 for varrying time around 30 seconds the unit shuts down completely. No water leaking or lights displayed and the unit will not come back on for a long time. I have looked in the tank assembly for limescale on the element but this looks fine and the filter was clear. your thoughts would help.
Asked 11 years ago by Anonymous
I would say that you have a faulty PCB.

Answered 11 years ago by Anonymous

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