
25
MALFUNCTIONING CODE
In the presence of anomalies shows "
Err
F
X " where X is the corresponding error code.
RESET OF THE APPARATUS (RESET)
To unlock the device, press the ON / OFF (J7) button which also has the "Reset" function.
RESET
Code “
Err
”
Meaning
F 9
Hardware EEPROM failure
F 1
Insufficient system water pressure
F 4
Tank probe error
F 3
Boiler delivery probe error
F 8
Safety thermostat block. To restore press the ON / OFF (J7) system