Specifications

7 181 465 346 GB (03.02)
Failure identification procedure
41
Fd and flashing.
Button pressed without necessity
Check Action
1.
Button is flashing. B Press , restart the appliance.
Fd? ↓2.
2. The PCB control board is damaged. B Make a note of the altered service settings (see
table 1, "First Service Level; Values that can be
modified" at page 8 and table 5, "Secondary
Service Level; Values that can be modified" at
page 11).
B Power OFF the appliance.
B Disconnect the boiler electrical connection.
B Change PCB control board.
B Reconnect the boiler electrical connection.
B Turn ON the appliance.
B Restore service settings previously noted down.