Beretta CIAO GREEN 25 R.S.I. [21/156] Light signals and faults

Beretta CIAO GREEN 25 R.S.I. [21/156] Light signals and faults
21
ENGLISH
Circulator anti-blocking function: an operation cycle is activated every
24hours.
DHW Antifreeze (only when connected to an external storage tank with
probe): the function is activated if the temperature measured by the stor-
agetankprobedropsbelow5°C.Aheatrequestisgeneratedinthisphase
with the ignition of the burner at minimum power, which is maintained until
thewatertemperaturereaches55°C.Duringtheanti-frostcycle,thesym-
bol (g.35)appearsonthedigitalmonitor.
Switching off for long periods
Incaseofabsenceforlongperiodsoftime,setthemodeselector(g.31)
to (OFF).
TurnthemainsystemswitchOFF.
Close the fuel and water taps of the heating and domestic hot water sys-
tem.
In this case, anti-frost device is deactivated: drain the systems, in case of
riskoffrost.
4.3 Light signals and faults
The control panel has three LEDs that indicate the boiler operating status:
Green LED
Flashing
Flashing(0.5secondson,then3.5secondsoff)=boilerinstandby,there
isnoame.
Flashing(0.5secondson,then0.5secondsoff)=temporaryshutdownof
the appliance due to the following automatic-reset faults:
- water pressure switch (standby time 10 minutes approximately)
- transitorywaitingforignition.
Inthisphase,theboilerwaitsforrestorationofworkingconditions.Ifafter
the standby time, the boiler does not restore regular operation, the shut-
downwillbepermanentandthesignallightwillbered.
Fastashing(0.1secondon;then0.1secondoff;for0.5seconds)=Auto-
maticTemperatureControlSysteminput/outputfunction(g.34).
Setting the heating water temperature selector to the area marked “AUTO”
(temperature value from 55 to 65°C) activates the Automatic Temperature
Control System: the boiler varies the output temperature according to the
closingsignaloftheroomthermostat.
When the temperature set with the heating water temperature selector is
reached, a 20-minute countdown begins. If during this period the room
thermostat still requests heat, the value of the set temperature automati-
callyincreasesby5°C.
Whenthenewvalueisreached,other20-minutecountdownbegins.Ifdur-
ing this period the room thermostat still requests heat, the value of the set
temperatureautomaticallyincreasesby5°C.Thisnewtemperaturevalue
is the result of the temperature set manually with the heating water tem-
perature selector and the increase of +10°C of the Automatic Temperature
ControlSystem(S.A.R.A)function.
After the second cycle, the temperature value is not increased any further
(set temperature +10°C) and cycle described above is repeated until the
roomthermostatrequestismet.
Fixed green
thereisame,theboilerworksregularly.
Red LED
IftheredLEDlightsup,thisindicatesthepresenceofafault;themonitor
shows a code interpreted as follows:
A 01 amelockout(xedredLED+flamelockouticon )
A 02 limitthermostatoperation(ashingredLED)
A 03 fanfault(xedredLED)
A 04 waterpressureswitchaftertransitoryphase(xedgreen+redLEDs
+llingicon )
A 06 storage tank probe (ashing red+green LEDs) (only with storage
tank with probe)
A 07 delivery/returndifferentialorheatingNTCsensor(xedredLED)
A 08 delivery/returndifferentialorreturnNTCsensor(xedredLED)
A 09 uegassensorheatsafetyoperation(xedredLED)
A 09
uegasNTCsensororexchangercleaning(ashingred+greenLEDs)
A 77 low temperature thermostat operation / generic alarm (ashing
red+green LEDs)
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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approximately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 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 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ashingredandgreen
LEDsanduegasmeter>2,500).
Once the cleaning operation has been completed, using the special kit
supplied as an accessory, the total hour meter will need to be reset to zero
as follows:
- switch off the power supply
- remove the housing
- loosenthexingscrewthenturntheinstrumentpanel
- loosenthexingscrewsonthecover(F)toaccesstheterminalboard
(g.16)
- whiletheboilerispoweredup,pressandholdtheCObutton(g.26)for
at least 4 seconds, to check the meter has been reset, power down then
poweruptheboiler;themeterreadingisshownonthemonitorafterthe
“-C-”sign.
Live electrical parts (230 V AC).
Note: the meter resetting procedure should be carried out after each in-
depthcleaningofthe primaryexchanger orif thislatter isreplaced.To
checkthestatusofthetotalhourmeter,multiplythereadingby100(e.g.
readingof18=1800totalhours;readingof1=100totalhours).
Theboilercontinuestooperatenormallyevenwhenthealarmisactivated.
Fault A 77
This is an automatic-reset fault, if the boiler does not restart, contact the
TechnicalAssistanceCentre.
Fixed yellow LED
Pre-heatingfunctionactivated
Flashing yellow LED
Combustionanalysisinprogress.
4.4 Alarm records
The “ALARM RECORDS” function starts automatically once the display
hasbeenonfor2hours,orimmediatelybysettingtheP1parameterto1.
The records include all the latest alarms, up to a maximum of 5 alarms,
andtheyaredisplayedinsequencebypushingandreleasingtheP1but-
tononthedisplayboard.Iftherecordsareempty(P0=0)oriftrackingthe
sameisdisabled(P1=0),thedisplayfunctionisnotavailable.
Alarms are displayed in reverse order compared to the order in which they
occurred:thismeansthatthelastalarmgeneratedisthersttobedispla-
yed.Todeletethealarmsrecords,simplysetparameterP0to0.
NOTE:TogettotheP1 buttonthecover onthecontrol panelmustbe
removedandthedisplayboardmustbeidentied(g.36a).
PROGRAMMING PARAMETERS
Functioning of the display can be personalised by programming three pa-
rameters:
Parameter Default Description
P0 0 Deletion of alarms records
(0 = records empty / 1 = records not empty)
P1 0 Immediate activation of alarm record mana-
gement
(0 = delayed records management activated /
1 = immediate records management activated
P2 0 Do not change

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