BLUEHELIX TOP RRT K 50
248
EN
cod. 3541Q281 - Rev. 02 - 10/2020
A54 - A55
F62 - F63
Combustion fault
Insufficient system gas pres-
sure
Check the gas supply pressure
Unstable grid voltage
Check the supply voltage
Electrode damaged or not
correctly positioned
Check ignition electrode and ground
Turn off power supply for 10 seconds, reset the
fault and perform a 100% calibration (Sc15=1).
F67
BCC Service key connected
Load the parameters
F68 - A68
BCC Service key error
Error loading BCC Service key
file
Repeat the loading procedure within 5 minutes
from the boiler power supply and replace the
BCC Service key if necessary
A62
No communication between
controller and gas valve
Controller not connected
Connect the controller to the valve
Valve damaged Replace valve
Check the wiring or replace the valve
A64
Maximum number of consecu-
tive Resets exceeded
Maximum number of consecu-
tive Resets exceeded
Disconnect the power supply to the boiler for
60 seconds
and then reinstate the boiler
F66
Firmware not loaded success-
fully
Reload the firmware or replace the card
Fault code
Fault
Possible cause
Cure