While you wait for answers, we may have found some information which could help you.
Click here for Problem Aqualisa ShowerHow can i mend my aqualisa digitalpumped shower unit?
Aqualisa Aquastream pump not always working?
Aqualisa Quartz digital shower ?
How can I fix my Aqualisa Aquastream Shower?
Aqualisa power shower?
Aqualisa (blue led) quartz digital not working?