BLUEHELIX PRIMA 24 C
39
EN
cod. 3541R820EN - Rev. 03 - 03/2020
A02
Flame present signal with bur-
ner off
Electrode fault
Check the ionization electrode wiring
Check the condition of the electrode
Electrode to earth
Cable to earth
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 interrupted
Fan damaged
Check the fan
A06
No flame after the ignition
phase
Ionization electrode fault
Check the position of the ionisation electrode
and replace it if necessary
Flame unstable
Check the burner
air/fume ducts obstructed
Remove the obstruction from the flue, fume
extraction ducts, air inlet and terminals
Trap blocked
Check the trap and clean it if necessary
Wrong calibration
Do a 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 protection
intervention
Sensor not correctly positio-
ned on flow pipe or damaged
Check the correct positioning and operation of
the heating sensor and replace it if necessary
No water circulation in the sys-
tem
Check the circulating pump
Air in the system
Vent the system
A09
Exchanger protection activa-
tion
No water circulation in the sys-
tem
Check the circulating pump
Poor circulation and anoma-
lous flow probe temperature
increase
Vent the system
blocked exchanger
check the exchanger and system
F09
Overtemperature protection
intervention
Flow sensor damaged
Check correct positioning and operation of the
flow sensor and replace it if necessary
No water circulation in the sys-
tem
Check the circulating pump
Air in the system
Vent the system
F10
Delivery sensor fault
Sensor damaged
Check the wiring or replace the sensor
Wiring shorted
Wiring disconnected
F11
Return sensor fault
Sensor damaged
Check the wiring or replace the sensor
Wiring shorted
Wiring disconnected
F12
DHW sensor fault
Sensor damaged
Check the wiring or replace the sensor
Wiring shorted
Wiring disconnected
F13
Fume probe fault
Probe damaged
Check the wiring or replace the fume probe
Wiring shorted
Wiring disconnected
A14
Fume extraction duct safety
device intervention
Fault A07 generated 3 times in
the last 24 hours
See fault F07
F34
Supply voltage under 180V
Electric mains trouble
Check the electrical system
F35
Wrong supply frequency
Electric mains trouble
Check the electrical system
Fault code
Fault
Possible cause
Cure