58
Fault finding
The boiler has an integrated system that, after 10.000
switching On or 2.000 hours of operation of the burner,
provides to signal that the boiler needs maintenance.
Such information is indicated on the display by the lighting
of the code
.
The flashing of the code doesn’t inhibit the
normal operation of the boiler.
Service the appliance and subsequently reset the counter
by selecting “Cr” from the parameters menù and introducing
the relevant resetting code.
5.2 - REQUEST OF MAINTENANCE
Code:
Description: Lack of water (only for pump
equipped with SensorLogic)
Corrective action: Fill-up the water circuit
Code:
Description: Main heat exchanger frozen
Corrective action: Carefully de-frost the exchanger
Code:
Description: Intervention of the high limit
thermostat (TL)
Corrective action: Press the reset key on the
control panel
Code:
Code:
Description: Alteration of the operating
parameters caused by EMC disturbances
Corrective action: Restore the factory parameters
Code:
Description: Flame signal detected before the
ignition cycle
Corrective action: Disconnect the detection
electrode’s wire from the control board; if the error
code disappears replace the cable, otherwise
replace the control board.
Code:
Description: Flame detected after burner OFF
Corrective action: Disconnect the gas valve’s wire
from the control board; if the error code
disappears replace the control board, otherwise
replace the gas valve.
Code:
Description: Internal failure
Corrective action: Replace the control board
Description: Heating sensor failure
Corrective action: Check the sensor’s efficiency
and/or wiring
Code:
Description: Modulating fan failure
Corrective action: Check the fan’s wiring
Code:
Description: Modulating fan failure
Corrective action: Check the fan’s wiring
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