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NOTE
It is possible to check the functioning
of all segments and icons of the ghost
display. Press and hold together the
3-buttons of the keypad.
NOTE
Hold the 3-buttons for a maximum of
2 seconds, otherwise the EMPTY BOILER
procedure will start, as explained in
paragraph 9.4.2.
PROBLEMS
Possible issues on the service board are:
One or more segments of the ghost dis-
play does not work: replace the service
board.
One or more keys do not work anymore:
replacement due to wear.
All keys do not work anymore: check the
flat cable or replace the service board.
REPLACEMENT
Once the group cover has been removed,
unscrew the four screws keeping the ser-
vice board and take it away.
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