6.8 Diagnostics
■ Error codes:
E01 Ionisation Lock Out
E02 Safety Thermostat Tripped
E03 Flue Gas Thermofuse Tripped
H2O Low Water Pressure Alarm
E05 Heating Sensor Malfunction
E16 Electric Fan Malfunction
E22 Parameter Programming Request
E35 Flame Detection Malfunction
■ Function codes :
07
Flue test function active
(Chimney-Sweeper)
Pressing the “service” button for 7 seconds
activates the Flue test function. Pressing the
boiler off button deactivates the function.
The Flue test function operates the boiler at the
maximum heating pressure for 15 minutes
without any modulation. The function is useful
for combustion testing.
08
Frost Protection
Central heating circuit
The function is activated when the heating
sensor senses a temperature of 5 °C. The
boiler operates at minimum gas pressure with
the 3-way diverter valve in the winter position.
The function is deactivated when the
temperature detected by the sensor reaches
30°C.
31 Incompatible Remote Control
Function active when the remote control
connected is not compatible with the printed
circuit board .
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