While you wait for answers, we may have found some information which could help you.
Click here for Turn Water PoursAqualisa (blue led) quartz digital not working?
Aqualisa Aquastream pump not always working?
How can I fix my Aqualisa Aquastream Shower?
Boost mode stuck on after a power cut?
Aqualise shower?
Aqualisa Axis Digital, Lights permanently on but no water ?