While you wait for answers, we may have found some information which could help you.
Click here for Aqualisa Aquastream ShowerAqualisa Aquastream pump not always working?
Aqualisa pump wont turn on?
Aqualisa Quartz digital shower ?
How can i mend my aqualisa digitalpumped shower unit?
How can we stop whirring noise when turned off?
How can I fix my Aqualisa Aquastream Shower?