Ariston MICROCOMBI 23 MFFI Podręcznik użytkownika końcowego - Strona 6
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3. USEFUL INFORMATION
AND TROUBLESHOOTING
J
I
J
I
D
UT001A
H
4. MAINTENANCE
5. CHANGE OF GAS TYPE
6
B
The boiler is equipped with safety devices that intervene in certain situations and shut it
off. Most of these situations are communicated by means of the L.E.D.s and at times the
user may be able to remedy them.
S
HUTDOWN DUE TO IGNITION FAILURE
In the event that the automatic ignition of the burner has failed, the red L.E.D. "I" will
illuminate. In order to reset the ignition, the button "J" must be pressed and released.
Should the boiler fail to ignite a second time, check that the external gas cock is open. If
the problem persists, contact a local Service Agent. I
before resetting each time.
S
In the event that the safety limit is exceeded for the temperature of the water in the boilers
exchanger, the thermostat shuts off the boiler and the red L.E.D. "I" illuminates.
To remedy this situation, wait a few minutes to allow the exchanger to cool down, then
press and release the reset button "J".
If this situation occurs frequently, contact a local Service Agent.
S
HUTDOWN DUE TO INSUFFICIENT WATER CIRCULATION
f the boiler is off, one possible cause for this state is an insufficient pressure of water in
I
the system.
Check the system pressure on the pressure gauge "D" and if it is less than 0.5 bar, re-
pressurise the system as instructed by your installer, should you be unsure some basic
instructions are provided hereafter;
Ensure that the filling loop hose is connected to the cold water inlet pipe and to either
the Central Heating flow or return
Open the handle/s or tap/s to allow water into the Central Heating system
Once the needle on the pressure gauge reaches 1 Bar, close the handle/s or tap/s and
disconnect the filling loop hose
Should it still be unclear how to proceed, please consult your installer.
If the boiler does not start up again, contact a local Service Agent.
If there are frequent drops in pressure within the system, have a plumber check the
heating system for possible water leaks.
T
EMPORARY SHUTDOWN DUE TO DEFECTIVE DISCHARGE OF EXHAUST PRODUTS
The boiler is fitted with safety devices, which in the event of a defective discharge of
exhaust products, automatically interrupts the gas supply, thereby shutting off the boiler.
The shut-off of the boiler is temporary and is indicated by the illumination of the yellow
L.E.D. "H" for a period of about 15 minutes.
Once this time period has passed and the discharge state of exhaust system has
returned to normal, the boiler automatically turns back on.
I
!
MPORTANT
If this situation occurs frequently, contact a local Service Agent so that they may check
that the exhaust fumes are being expelled correctly, that the flue is installed correctly and
that the area is ventilated properly.
Schedule an annual maintenance check-up for the boiler with a competent person.
Correct maintenance always results in savings in the cost of running the system.
Our boilers are designed to function either with Natural Gas (methane) or LPG gas. If you need
to changeover from one gas to the other, one of our local Service Agents should be contacted.
OILER SHUTDOWN SITUATIONS
MPORTANT
HUTDOWN DUE TO OVERHEATING
!! Always wait 2 minutes