20
“Parameters display”
On the small digit will appear the writing P : followed by the index of the selected
parameter, while the big digit will show the parameter value.
MALFUNCTIONING CODE
When a malfunction occurs, the writing “Err F X” appears, where X indicates the related
error code
CODE “Err” MEANING
9 Hardware eeprom failure
1 Insufficient system water pressure
3 Err boiler delivery probe
8 Safety thermostat block
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