Ferroli Optimax f12 code= pcb confused.
To reprogram you press reset for ten seconds and TS appears.
Press reset for one second and P01 appears.
Press heating + and p02 appears.
Press hot water + and 0 codes appear.
Then press up or down on heating + or - to get o1 .
Then press reset for ten seconds.
Job done.
To reprogram you press reset for ten seconds and TS appears.
Press reset for one second and P01 appears.
Press heating + and p02 appears.
Press hot water + and 0 codes appear.
Then press up or down on heating + or - to get o1 .
Then press reset for ten seconds.
Job done.