ENGLISH
23
4 - LIGHT SIGNALS AND FAULTS
BOILER STATUS
DISPLAY
TYPES OF ALARMS
Off status (OFF)
OFF
None
Stand-by
-
Signal
ACF alarm lockout module
A01
Defi nitive lockout
ACF electronics fault alarm
Limit thermostat alarm
A02
Defi nitive lockout
Flue gas thermostat alarm
A03
Defi nitive lockout
Water pressure switch alarm
A04
Defi nitive lockout
NTC domestic water fault
A06
Signal
NTC heating fault
A07
Temporary stop
Heating outlet probe over-temperature
Temporary then defi nitive
Outlet/return line probe differential alarm
Defi nitive lockout
Parasite fl ame
A11
Temporary stop
Temporary pending ignition
80
°C
fl ashing
Temporary stop
Water pressure switch intervention
fl ashing
Temporary stop
Calibration service
ADJ
Signal
Calibration installer
Preheating active function
Signal
Preheating heat request
fl ashing
Signal
External probe presence
Signal
Domestic water heat request
60
°C
Signal
Heating heat request
80
°C
Signal
Antifreeze heat request
Signal
Flame present
Signal
To restore operation (reset alarms):
Faults A01-02-03
Turn the mode selector to
OFF, wait 5-6 seconds, then return the
selector to the required position.
If the reset attempts do not reactivate the boiler, request the
intervention of the Technical Assistance Centre.
Fault A 04
In addition to the fault code, the digital display displays the symbol
.
Check the pressure value indicated by the water gauge:
if it is less than 0.3 bar, position the function selector on
OFF and
adjust the filling tap until the pressure reaches a value between 1
and 1.5 bar.
Then turn the mode selector to the required position.
If pressure drops are frequent, request the intervention of the
Technical Assistance Centre.
Fault A 06
The boiler functions normally but does not guarantee a constant
domestic hot water temperature, which remains set at around 50°C.
THE intervention of the Technical Assistance Centre is needed.
Fault A 07
Contact the Technical Assistance Centre.
5 - REGULAR SCHEDULED MAINTENANCE
OPERATIONS
1st
YEAR
2nd
YEAR
Inspection of sealing components
●
●
Cleaning of the primary heat
exchanger flue gases side
●
●
Checking of the water and gas safety devices
●
●
Checking the gas output and make any adjustments
●
●
Checking the draught and flue gases pipe
●
●
Cleaning of the burner and checking its firing
●
●
Checking the hydraulic operations
●
●
Combustion analysis
-
●
Checking and lubricating the hydraulic unit components
-
●
Checking the system seals
-
●
OPERATIONS
1st
YEAR
2nd
YEAR
Washing of the heat exchanger
-
●
Checking the efficiency of the electric
and electronic components
-
●
NOTE: the maintenance operations mentioned above should be car-
ried out in accordance with current norms.
6 - BOILER CLEANING
Before any cleaning operation, switch off the electrical supply by
turning the system's main switch to "Off".
6.1 External
cleaning
Clean the housing, the control panel, the painted parts and the plas-
tic parts with a cloths dipped in soap and water.
In the case of stubborn stains dampen the cloth with a mixture of 50%
water and methylated spirit or with specific products.
Do not use fuels and/or sponges soaked in abrasive solutions
or powder detergents.
6.2 Internal
cleaning
Before starting internal cleaning operations:
- Close the gas shut-off valve
- Close the system taps.
Summary of Contents for Start 24 KI
Page 103: ...103 GR 1 Riello START KI Riello START KI OFF 1 1 5 bar OFF START KI 1 1 START KI...
Page 106: ...START KI 106 1 9 1 10 A E B 1 1 5 bar a C C b D A B C D E 1 11 START KI G20 C...
Page 109: ...109 A A 400 500 mm START KI G20 LPG 3 20 C...
Page 110: ...START KI 110 OFF OFF 37 C 60 C stand by 5 6 5 C 15 2 10 C 5 C 30 C 30 24 3...
Page 128: ...Cod 20115147 03 16 Ed 0...
