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Idiomas disponibles
CIAO GREEN C.S.I.
At this point the boiler will automatically start and the red lamp switches on in green.
N.B. If the attempt to reset the appliance does not activate operation, contact the Technical Assistance Service.
4.2 Switching off
Temporary switch-off
In case of absence for short periods of time, set the mode selector (fig. 32) to
In this way (leaving the electricity and fuel supplies enabled), the boiler is protected by the following systems:
Anti-frost device: when the temperature of the water in the boiler falls below 5°C, the circulator and, if necessary, the burner are activated at minimum
output levels to bring the water temperature back to the values for safety (35°C). During the anti-frost cycle, the symbol
monitor.
Circulator anti-blocking function: an operation cycle is activated every 24 hours.
Switching off for long periods
In case of absence for long periods of time, set the mode selector (fig. 32) to
of the heating and domestic hot water system. In this case, anti-frost device is deactivated: drain the systems, in case of risk of frost.
4.3 Light signals and faults
BOILER STATUS
Off status(OFF)
Stand-by
ACF alarm lockout module
ACF electronics fault alarm
Limit thermostat alarm
Tacho fan alarm
Water pressure switch alarm
NTC domestic water fault
NTC heating outlet fault
Heating outlet probe overtemperature
Outlet/return line probe differential alarm
NTC heating return line fault
Heating return line probe overtemperature
Outlet/return line probe differential alarm
Cleaning the primary heat exchanger
NTC flue gases fault
Flue gases probe overtemperature
False flame
Low temperature system thermostat alarm
Temporary pending ignition
Water pressure switch intervention
Calibration service
Calibration installer
Chimney sweep
Vent cycle
Preheating active function
Preheating heat request
External probe presence
Domestic water heat request
Heating heat request
Antifreeze heat request
Flame present
8
DISPLAY
RED LED
OFF
-
on
A01
flashing 0.5 on/
A02
0.5 off
on
A03
on
A04
flashing 0.5 on/
A06
0.5 off
on
A07
on
A08
flashing 0.5 on/
0.5 off
A09
on
flashing 0.2 on/
A11
0.2 off
on
A77
flashing 0.5 on/
ADJ
0.5 off
ACO
flashing 0.5 on/
1.0 off
flashing
60
°C
80
°C
(OFF).
(OFF). Turn the main system switch OFF. Close the fuel and water taps
YELLOW LED
flashing 0.5 on/
3.5 off
flashing 0.5 on/
3.5 off
on
flashing 0.5 on/
0.5 off
flashing 0.5 on/
0.5 off
flashing 0.5 on/
0.5 off
flashing 0.5 on/
0.5 off
flashing 0.5 on/0.5
flashing 0.5 on/
off
0.5 off
flashing 0.5 on/0.5
off
flashing 0.5 on/1.0
flashing 0.5 on/
off
1.0 off
on
(fig. 36) appears on the digital
TYPES OF
GREEN LED
ALARMS
None
Signal
Definitive lockout
Definitive lockout
Definitive lockout
Definitive lockout
Signal
Temporary stop
Temporary then
definitive
Definitive lockout
Temporary stop
Temporary then
definitive
Definitive lockout
Signal
Temporary stop
Definitive lockout
Temporary stop
Temporary stop
Temporary stop
Temporary stop
Signal
Signal
Signal
Signal
Signal
Signal
Signal
Signal
Signal
on
Signal
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