Riello FASTECH 24 KI Manuel D'installation Et D'utilisation page 15

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
OFF status
Stand-by
ACF module block alarm
ACF electronics fault alarm
Limit thermostat alarm
Fumes thermostat alarm (KI)
Differential air pressure
switch alarm (KIS)
Water pressure switch alarm
DHW NTC fault
NTC fault
(heating)
Heating delivery sensor
over-temperature
Delivery/return sensor
differential alarm
Parasite flame
Low temperature systems
thermostat alarm
Transitory awaiting ignition
Water pressure switch trip
Service calibration
Installer calibration
External sensor detected
DHW request
Heating request
Anti-freeze heat request
Flame detected
I - Fault resets
To restore operation (unblock alarms).
Faults A01-02-03
Set the function selector to OFF
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
and adjust the filling tap until the pressure is between 1 and 1.5 bar.
DISPLAY ALARM TYPE
OFF None
- Warning
Permanent block
A01
Permanent block
A02
Permanent block
A03
Permanent block
A04
Warning
A06
Temporary stop
Temporary then
A07
permanent
Permanent block
Temporary stop
A11
Temporary stop
A77
80°C
Temporary stop
(flashing)
Temporary stop
(flashing)
Warning
ADJ
Warning
Warning
60°C
Warning
80°C
Warning
Warning
, wait 5-6 seconds then turn the
(OFF)
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
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".
.
ENGLISH
1st 2nd
YEAR YEAR
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