Ferroli OPERA 70 Instructions D'utilisation, D'installation Et D'entretien page 182

To close it, repeat these operations in reverse order.
B
Carefully tighten the nuts (fig. 72).
6 for models OPERA 70 e 125.
8 for models OPERA 160, 220 and 320.
When finished check the perfect tightness of the gas circuit.
3.4 Troubleshooting
Diagnostics
The boiler is equipped with an advanced self-diagnosis system. In case of a boiler fault, the display lights up indicating
the fault code and, in case of cascade connection, the module number.
• There are faults that cause permanent shutdowns which can be reset by pressing the OK button for one second or
with the RESET button on the remote timer control (optional) if installed. If the boiler fails to restart after resetting, it
is necessary to eliminate the fault first.
• Other faults cause temporary shutdowns which are automatically reset as soon as the value returns within the
boiler's normal working range.
Table of faults
Table 8- List of faults
Fault
Fault
code
01 No burner ignition
Flame present signal
02
with burner off
182
fig. 72
Possible cause
No gas
Ignition/detection electrode fault
Faulty gas valve
Insufficient gas supply pressure
Trap blocked
Electrode fault
Card fault
cod. 3541R964 - Rev. 01 - 02/2022
OPERA
Cure
Check the regular gas flow to the boiler and
that the air has been eliminated from the pipes
Check the wiring of the electrode and that it is
correctly positioned and free of any deposits
Check the gas valve and replace it if neces-
sary
Check the gas supply pressure
Check the trap and clean it if necessary
Check the ionization electrode wiring
Check the card
EN