DeDietrich IniControl, Installation, User And Service Manual, Page: 34 / 40

Error
code Description Probable causes Checking / solution
e[12
4
Maximum boiler temperature
exceeded (STB thermostat
maximum)
4
Air differential pressure switch
has been triggered
4
Air inlet or flue
gas discharge
blocked
4
Bad connection
4
No water
circulation
4
Failure of the
safety device
4
Sensor not or
badly connected
4
Check that the air inlet and flue gas discharge flues
are not blocked
4
Check that condensate has been removed and the
cleanliness of the siphon
4
Check the cleanliness of the heat exchanger (Flue
gas dimensions)
4
Check the wiring between the PCU PCB and the
STB
4
Check that the SU PCB is correctly in place
4
Check the electrical continuity of the STB
4
Check whether the STB has been correctly fitted
4
Check that the sensor has been correctly fitted
4
Check for correct operation
4
Remove the air from the installation
4
Check the circulation (direction, pump, valves)
4
Check the water pressure
4
Check the cleanliness of the heat exchanger
4
Check that the heating pump is operating correctly
e[14
5 burner start-up failures
No ignition
4
Check the wiring between the PCU PCB and the
ignition transformer
4
Check that the SU PCB is correctly in place
4
Check the ionization/ignition electrode
4
Check the earthing
4
SU PCB faulty: Change the PCB
Ignition arc, but no
flame formation
4
Vent the gas flues
4
Check that the gas valve is fully opened
4
Checking the gas supply pressure
4
Check the operation and setting of the gas valve
unit
4
Check that the air inlet and flue gas discharge flues
are not blocked
4
Check the wiring on the gas valve unit
4
SU PCB faulty: Change the PCB
Presence of the flame
but insufficient
ionization (<3 µA)
4
Check that the gas valve is fully opened
4
Checking the gas supply pressure
4
Check the ionization/ignition electrode
4
Check the earthing
4
Check the wiring on the ionization/ignition
electrode
e[15
The cyclical leak proofing kit (CCE)
has detected a leak
Reset the box
4
Check that the gas valve is fully opened
4
Checking the gas supply pressure
4
Check the gas valve and replace if necessary
e[16
Detection of a parasite flame Ionization current
present even though
there is no flame
Ignition transformer
defective
4
Check the ionization/ignition electrode
Gas valve defect
4
Check the gas valve and replace if necessary
The burner remains
very hot: CO
2
too high
4
Set the CO
2
6. Troubleshooting IniControl For C 330 / C 630 ECO
33 260216 - 7600717-001-06