BLUEHELIX MAXIMA
218 EN
cod. 3541U630 - Rev. 00 - 07/2020
F50 - F53
Limit thermostat fault with
parameter b06 = 1 or 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
F57 - A56
Calibration fault
Incorrect parameters
Check parameters and carry out a 100% cali-
bration
Electrode damaged or not
correctly positioned.
Check the position of the electrode, replace it if
necessary. After replacement, repeat the 100%
calibration
Recirculation of fumes inside
the boiler
Check the tightness of the flue pipe and the seal
of gaskets
Calibration procedure not
completed
Poor primary circuit circulation
or poor dissipation during cali-
bration
Reset the fault. Turn on the hot water faucet and
wait for the flame to stop flashing (about 2 minu-
tes)
F58 - A61 Controller fault Controller internal error
Check the ground connection.
Check the electrode.
If necessary replace the control unit.
A54 - A55 - A63 Controller fault Controller internal error
Try disconnecting the power supply to the boiler
for 10 seconds and replace the controller if
necessary
F67 BCC Service key connected Load the parameters
F65 - 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
Check the wiring
Valve damaged Replace the valve
A64
Maximum number of consecu-
tive Resets exceeded
Maximum number of consecu-
tive Resets exceeded
Turn off the power 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
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