7.8 Servicing message
If the maintenance sign appears in the display, a maintenance message exists
or the heating system is in special operation.
- Press information button (i)
- Further information can be called up (see section Maintenance code- table).
Note: The maintenance message has not been activated by the setting in the fac-
tory.
7.9 Chimney-sweep function
The chimney sweep function will be activated by the chimney sweep button.
1. Activate chimney-sweep function
Chimney-sweep button Press
=> The activated special function is displayed by the symbol in the display.
Note
: If a heat demand from a cylinder with internal indirect coil is present, this
demand will continue to be met while the emissions test function is running.
Operation
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