While you wait for answers, we may have found some information which could help you.
Success
Message
Aquadart shower seal?
Replace cord in shower screen?
Boiler over pressure on the hot-water side?
What parts do i need to get water flowing again?
Grohe push button flush?
Almish heater surge model w15?
Mira excel thermostatic shower mixer?
Mira advance atl electric shower?
Fasco?
Thermal cut out switch?
How do I fix it?
How can I mend my Neptune Exotic shower?