MAINTENANCE INSTRUCTIONS
52
6.8 Diagnostics
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Error codes:
E01
Ionisation Lock Out
E02
Safety Thermostat Tripped
E03
102°C Thermo fuse Tripped
H2O Low Water Pressure Alarm
E05
Heating Sensor Malfunction
E12
D.H.W Storage Cylinder Sensor
Malfunction
E16
Electric Fan Malfunction
E22
Parameter Programming Request
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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.
13
Frost Protection
D.H.W. circuit – for storage
boilers
The function is activated when the sensor
senses a temperature of 4°C. The boiler
operates at minimum gas pressure. The 3-way
diverter valve closes in the summer position
and heats the D.H.W. circuit. The function is
deactivated when the D.H.W. storage cylinder
sensor detects a temperature of 8°C or when
heating sensor detect a temperature in the
heating circuit of 30°C.
28
Legionella Prevention Function
Function active for storage boilers only. It
comes into operation every 7 days.
It brings the hot water temperature of the
storage cylinder up to 60°C whatever
temperature value is set for hot water.
31
Incompatible Remote Control
Function active when the remote control
connected is not compatible with the printed
circuit board .
Summary of Contents for RK 34/B Ekobox
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