Beretta CIAO GREEN R.S.I, Installer And User Manual

Page: 9 / 51

9
ENGLISH
Switching off for long periods
In case of absence for long periods of time, set the mode selector ( fi g. 31) to
(OFF). Turn the main system switch OFF. Close the fuel and water taps
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
To restore operation (deactivate alarms):
Faults A 01-02-03
Position the function selector to (OFF), wait 5-6 seconds then set it to
the required position (summer mode) or (winter mode).
If the reset attempts do not reactivate the boiler, contact the Technical As-
sistance Centre.
Fault A 04
In addition to the fault code, the digital display shows the symbol .
Check the pressure value indicated by the water gauge:
if it is less than 0.3 bar, position the function selector to (OFF) and adjust
the
fi lling tap until the pressure reaches a value between 1 and 1.5 bar.
Then position the mode selector to the desired position (summer) or
(winter). The boiler will perform one purge cycle lasting approximate-
ly 2 minutes. If pressure drops are frequent, request the intervention of the
Technical Assistance Service.
Fault A 06
Contact the Technical Assistance Centre.
Fault A 07
Contact the Technical Assistance Centre.
Fault A 08
Contact the Technical Assistance Centre.
Fault A 09 with fi xed red LED lit
Position the function selector to (OFF), wait 5-6 seconds then set it to the
required position (summer mode) or (winter mode).
If the reset attempts do not reactivate the boiler, request the intervention of
the Technical Assistance Service.
Fault A 09 with fl ashing red and green LEDs
The boiler is equipped with an auto-diagnostic system which, based on the
total number of hours in certain operating conditions, can signal the need
to clean the primary exchanger (alarm code 09 with
fl ashing red and green
LEDs and fl ue gas meter >2,500).
Once the cleaning operation has been completed, using the special kit sup-
plied as an accessory, the total hour meter will need to be reset to zero as
follows:
- switch off the power supply
- remove the housing
BOILER STATUS DISPLAY RED LED YELLOW LED GREEN LED
TYPES OF
ALARMS
Off status(OFF) OFF
fl ashing 0.5 on/
3.5 off
None
Stand-by -
fl ashing 0.5 on/
3.5 off
Signal
ACF alarm lockout module
A01
on De fi nitive lockout
ACF electronics fault alarm
Limit thermostat alarm
A02
fl ashing 0.5 on/
0.5 off
De fi nitive lockout
Tacho fan alarm
A03
on De fi nitive lockout
Water pressure switch alarm
A04
on on De fi nitive lockout
NTC domestic water fault (only when con-
nected to an external storage tank with probe)
A06
fl ashing 0.5 on/
0.5 off
fl ashing 0.5 on/
0.5 off
Signal
NTC heating outlet fault
A07
on
Temporary stop
Heating outlet probe overtemperature
Temporary then
de
fi nitive
Outlet/return line probe differential alarm De fi nitive lockout
NTC heating return line fault
A08
on
Temporary stop
Heating return line probe overtemperature
Temporary then
de
fi nitive
Outlet/return line probe differential alarm De fi nitive lockout
Cleaning the primary heat exchanger
A09
fl ashing 0.5 on/
0.5 off
fl ashing 0.5 on/
0.5 off
Signal
NTC fl ue gases fault Temporary stop
Flue gases probe overtemperature on De fi nitive lockout
False fl ame
A11
fl ashing 0.2 on/
0.2 off
Temporary stop
Low temperature system thermostat alarm
A77
on Temporary stop
Temporary pending ignition
fl ashing 0.5 on/
0.5 off
Temporary stop
Water pressure switch intervention
fl ashing 0.5 on/
0.5 off
Temporary stop
Calibration service
ADJ
fl ashing 0.5 on/
0.5 off
fl ashing 0.5 on/0.5
off
fl ashing 0.5 on/
0.5 off
Signal
Calibration installer
Chimney sweep
ACO
fl ashing 0.5 on/0.5
off
Signal
Vent cycle
fl ashing 0.5 on/
1.0 off
fl ashing 0.5 on/1.0
off
fl ashing 0.5 on/
1.0 off
Signal
External probe presence Signal
Domestic water heat request 60 °C Signal
Heating heat request 80 °C Signal
Antifreeze heat request Signal
Flame present on Signal