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• Press keys 11 and 13 simultaneously
(Fig. 10.19) for 1 second to exit "chimney
sweep mode" and return to the menu list.
To exit the parameters menu:
• wait 15 minutes without pressing any key;
• switch off the electric power supply;
• press the 11 and 13 keys simultaneously
for 5 seconds (Fig. 10.21) (return to previ-
ous level).
Note to service engineers
It is required that the burner seal lip seal
and mixing chamber seal along with the
flame detection electrode are inspected
every year and replaced if required.
Failure to inspect the flame detection
probe, seals and replace as required
may render the guarantee void.
MAINTENANCE
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