
INSTALLATION INSTRUCTIONS
52
6.9 Diagnostics
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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
E42
Fan Speed P.C.B. Malfunction
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Function codes :
Code
Function
Description
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 .
6
7
5
4
3
2
1
8