BLUEHELIX HITECH RRT K 50
Fault code Fault
No flame after the ignition
A06
phase
Overtemperature protec-
A08
tion intervention
Exchanger protection
A09
intervention
Overtemperature protec-
F09
tion intervention
Flow sensor fault
F10
Gas valve connection
A11
Return sensor fault
F11
Hot water tank probe fault
F12
Fume probe fault
F13
Fume extraction duct
A14
safety device intervention
EN
Possible cause
Ionization electrode fault
Flame unstable
air/fume ducts obstructed
Trap blocked
Wrong calibration
Insufficient gas supply
pressure
Flow or return sensors
incorrectly positioned or
damaged
No water circulation in the
system
Air in the system
No water circulation in the
system
Poor circulation and ano-
malous flow probe tempe-
rature increase
blocked exchanger
Flow sensor damaged
No water circulation in the
system
Air in the system
Sensor damaged
Wiring shorted
Wiring disconnected
Gas valve connector not
inserted.
Electrical connection bet-
ween control unit and gas
valve interrupted.
Gas valve damaged.
Sensor damaged
Wiring shorted
Wiring disconnected
Sensor damaged
Wiring shorted
Wiring disconnected
Probe damaged
Wiring shorted
Wiring disconnected
Fault A07 generated 3
times in the last 24 hours
cod. 3541Z782 — Rev 00 - 10/2022
Cure
Check the position of the ionization elec-
trode, free it from any encrustations and
do the Calibration procedure [
]. Replace the electrode if neces-
SETUP
sary.
Check the burner
Remove the obstruction from the flue,
fume extraction ducts, air inlet and ter-
minals
Check the trap and clean it if necessary
Do the Calibration procedure [
].
SETUP
Check the gas supply pressure
Check the correct positioning and opera-
tion of the sensors and replace them if
necessary.
Check the circulating pump
Vent the system
Check the circulating pump and heating
system
Vent the system
check the exchanger and system
Check correct positioning and operation
of the flow sensor and replace it if
necessary
Check the circulating pump and heating
system
Vent the system
Check the wiring or replace the sensor
Insert the connector
Check the wiring
Replace the gas valve
Check the wiring or replace the sensor
Check the wiring or replace the sensor
Check the wiring or replace the fume
probe
See fault A07
AUTO
AUTO
313