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