Re: Smeg E2 fault
List of Fault codes is on here already
Here are some Smeg diswasher error codes for fully integrated dishashers with display. (Not the latest type)
E2 over fill detected, more likely though it is not overfilling,
just thinks it is.
E3 not heating
E4 thermister disconnected or o/c
E5 no water fill
E6 heating detected with no water present
E7 not draining
E8 read error, rest and try again
E9 pause in test programme, not a fault code