While you wait for answers, we may have found some information which could help you.
Success
Message
E5 Error on Remeha Avanta Plus boiler?
My Remeha Avanta 28C condensing boiler shows an error code?
I have a Remeha boiler - there is no error message but the rads dont work?
Remeha Avanta Plus not not activating heating?
Remeha avanta boiler 28 - help???
How can I fix my programmer RWB2 ?
pressure gauge fault?
how can i fix my item?
How can I fix my Remeha Avanta Plus boiler?
Remeha Avanta plus?
Remeha boiler backfiring?
Remeha Avanta Plus 28c no hot water but still have heating?