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