BlueHelix HiTech RRT C
343
EN
cod. 3541V300 - Rev. 00 - 02/2021
Table of faults
Table 11- List of faults
Fault code
Fault
Possible cause
Cure
A01
No burner ignition
No gas
Check the regular gas flow to the boiler
and that the air has been eliminated
from the pipes
Ignition/detection elec-
trode fault
Check the wiring of the electrode and
that it is correctly positioned and free of
any deposits; replace the electrode if
necessary.
Insufficient gas supply
pressure
Check the gas supply pressure
Trap blocked
Check the trap and clean it if necessary
Air/fume ducts obstructed
Remove the obstruction from the flue,
fume extraction ducts, air inlet and ter-
minals.
Wrong calibration
Do complete manual calibration.
Faulty gas valve
Check and replace the gas valve if
necessary
A02
Flame present signal with
burner off
Electrode fault
Check the ionization electrode wiring
Check the condition of the electrode
Electrode to ground
Cable to ground
Check the trap and clean it if necessary
Card fault
Check the card
F05
Fan fault
No 230V power supply
Check the 5-pin connector wiring
Tachometric signal inte-
rrupted
Fan damaged
Check the fan and replace it if neces-
sary
A06
No flame after the igni-
tion phase
Ionization electrode fault
Check the position of the ionization
electrode, free it from any deposits and
do a complete manual calibration, if
necessary replace the electrode.
Flame unstable
Check the burner
air/fume ducts obstructed
Remove the obstruction from the flue,
fume extraction ducts, air inlet and ter-
minals
Trap blocked
Check the trap and clean it if necessary
Wrong calibration
Do complete manual calibration.
F15 - A07
High fume temperature
The fume probe detects an
excessive temperature
Check the exchanger
Check the flue gas probe
Check the flue material parameter
A08
Overtemperature protec-
tion intervention
Sensor not correctly posi-
tioned on flow pipe or
damaged
Check the correct positioning and ope-
ration of the heating sensor and
replace it if necessary
No water circulation in the
system
Check the circulating pump
Air in the system
Vent the system
A09
Exchanger protection
activation
No water circulation in the
system
Check the circulating pump and hea-
ting system
Poor circulation and ano-
malous flow probe tempe-
rature increase
Vent the system
blocked exchanger
check the exchanger and system
Summary of Contents for BlueHelix HiTech RRT C
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