Riello 20122798, Installer And User Manual

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START KI - KIS
16
In this case, the anti-freeze and pump anti-block functions are
disabled. Empty the heating and DHW system if there is a risk
of freezing.
The Technical Assistance Service is available in the event of
problems in carrying out the above procedure.
H - Display and fault codes
The boiler operating status is shown on the digital display. The different
displays are listed below.
BOILER STATUS DISPLAY ALARM TYPE
OFF status OFF None
Stand-by - Warning
ACF module block alarm
A01
Permanent block
ACF electronics fault alarm
Limit thermostat alarm
A02
Permanent block
Fumes thermostat alarm (KI)
Differential air pressure
switch alarm (KIS)
A03
Permanent block
Water pressure switch alarm
A04
Permanent block
DHW NTC fault
A06
Warning
NTC fault
(heating)
A07
Temporary stop
Heating delivery sensor
over-temperature
Temporary then
permanent
Delivery/return sensor
differential alarm
Permanent block
Parasite flame
A11
Temporary stop
Low temperature systems
thermostat alarm
A77
Temporary stop
Transitory awaiting ignition
80°C
(flashing)
Temporary stop
Water pressure switch trip
(flashing)
Temporary stop
Service calibration
ADJ
Warning
Installer calibration
External sensor detected Warning
DHW request
60°C
Warning
Heating request
80°C
Warning
Anti-freeze heat request Warning
Flame detected Warning
I - Fault resets
To restore operation (unblock alarms).
Faults A01-02-03
Set the function selector to OFF , wait 5-6 seconds then turn the
selector back to the required setting.
If the unblock attempts do not reactivate the boiler, please request
support from the Technical Assistance Service.
Fault A04
The digital display shows the fault code together with the symbol .
Check the pressure shown on the water gauge:
if the pressure is less than 0.3 bar, set the function selector to (OFF)
and adjust the filling tap until the pressure is between 1 and 1.5 bar.
Filling tap
Then turn the function selector back to the required setting. If there are
frequent drops in pressure, please request support from the Technical
Assistance Service.
Fault A06
The boiler operates normally but does not guarantee a stable domestic
hot water temperature, which is set to around 50°C.
Please request support from the Technical Assistance Service.
Fault A07
Please request support from the Technical Assistance Service.
J - Periodic scheduled maintenance
OPERATIONS
1st
YEAR
2nd
YEAR
Sealing component check
°
°
Flue-side primary exchanger cleaning
°
°
Water and gas safety device check
°
°
Gas flow rate check and adjustments where necessary
°
°
Flue duct and draught check
°
°
Burner cleaning and ignition efficiency check
°
°
Hydraulic efficiency check ° °
Combustion analysis
-
°
Check and lubrication of hydraulic system components
-
°
System sealing efficiency check
-
°
Exchanger washing
-
°
Electrical and electronic component efficiency check
-
°
N.B.: the above maintenance operations must be performed in compli-
ance with current standards.
K - Cleaning
Clean the external boiler panels only, using a damp, soapy cloth.
For stubborn stains, dampen the cloth with a 50% water and denatured
alcohol mixture, or use specific products.
Never use fuel and/or sponges soaked in abrasive solutions or
powder detergents.
Do not clean the boiler without having disconnected it from the
mains power supply, by setting the power switch to “off”.