BLUEHELIX TECH RRT H
192
EN
cod. 3541C673 - Rev. 00 - 11/2020
F07 - F14
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
F08
A08
Overtemperature protection
intervention
Heating sensor damaged
Check the correct positioning and operation 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
F09
A09
Overtemperature protection
intervention
Return sensor damaged
Check the correct positioning and operation of
the return sensor and replace it if necessary
No water circulation in the system Check the circulating pump
Air in the system
Vent the system
F10
A10
Delivery sensor fault
Sensor damaged
Check the wiring or replace the sensor
Wiring shorted
Wiring disconnected
F11
A11
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
A13
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 F07 generated 3 times in
the last 24 hours
See fault F07
F34
Supply voltage under 170V
Electric mains trouble
Check the electrical system
F37
Incorrect system water pressure
Pressure too low
Fill the system
Water pressure switch damaged
or disconnected
Check the water pressure switch
F39
External probe fault
Probe damaged or wiring shorted Check the wiring or replace the sensor
Probe disconnected after activa-
ting the sliding temperature
Reconnect the external probe or disable the sli-
ding temperature
F41
Activation of maximum DELTA T
protection
Heating sensor damaged
Check the correct positioning and operation of
the heating sensor
Return sensor damaged
Check the correct positioning and operation of
the return sensor
No water circulation in the system Check the circulating pump
Air in the system
Vent the system
F42
A42
Sensor control protection activa-
tion
Return and/or delivery sensor
damaged or disconnected
Check the correct positioning and operation of
the return and/or delivery sensor and/or replace it
Return sensor damaged or dis-
connected
Check the correct positioning and operation of
the return sensor
F43
Exchanger protection interven-
tion.
No system H
2
O circulation
Check the circulating pump
Air in the system
Vent the system
A23 - A24 - A26
F20 - F21 - F40
F47 - F51
Card parameter fault
Wrong card parameter setting
Check the card parameters and modify if neces-
sary
F50 - F53
Limit thermostat fault with para-
meter b06 = 1 o 4
No/poor water circulation in the
system
Check the circulating pump
Air in the system
Vent the system
Incorrect parameter
Check the correct parameter setting
Fault code
Fault
Possible cause
Cure