Specifications

7 181 465 346 GB (03.02)
21
Failure identification procedure
7. Remote control status still 0.? yes: B Power OFF the appliance.
Remote control:
B Replace top section.
B Turn ON the appliance.
AC? ↓8.
no: ↓8.
8. 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.
To return to normal function mode:
B Press buttons and simultaneously.
B Regulate the temperature control and the
temperature control on the previously set
positions.
AC flashing.
Module not detected.
(Constant CH flow temperature according to CH temperature control on boiler.)
Check Action