Ariston CLAS SYSTEM One Panduan Pengguna - Halaman 9
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Appliance shut-off conditions
The boiler is protected from malfunctions by means of internal
checks performed by the electronic P.C.B., which stops the boiler
from operating if necessary. In the event of the boiler being shut
off in this manner, a code appears on the control panel display
which refers to the type of shut-off and the reason behind it.
Two types of shut-off may occur:
Safety shut-off
This type of error is "volatile", which means
that the boiler starts up again automatically
as soon as the problem which caused the
shut-off is removed;
(
/
code
e.g.
display and the
symbol appears.
In fact, soon as the cause of the shut-off
disappears, the boiler starts up again and
continues to operate normally.
If the boiler still indicates a safety shut-off,
switch it off. Make sure the external electric
switch is in the OFF position, shut off the gas valve and contact a
qualified technician.
Safety shut-off due to insufficient water pressure
If the water pressure inside the heating circuit is insufficient, the
boiler will perform a safety shut-off.
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Code 108 (
) will appear on
the display.
The system may be restarted, re-balancing
the water pressure, by using the filling
procedure - see note 1.
If the re-balancing request is performed
on a frequent basis, switch the boiler off,
bring the external electric switch to the OFF
position, shut off the gas valve and contact
a qualified technician to check for any leaks
of water.
NOTE 1 - FILLING PROCEDURE
RE-ESTABLISH THE CORRECT PRESSURE USING
THE FILLING LOOP (POSITIONED UNDERNEATH THE
BOILER) AND PRESS THE MODE BUTTON FOR 5
SECONDS. THE DISPLAY SHOWS "PURGE".
WHEN THE PRESSURE GAUGE INDICATES A PRESSURE
OF 1 BAR, CLOSE THE FILLING VALVE AND PRESS THE
MODE BUTTON.
THE DISPLAY RETURNS TO NORMAL VIEW.
Operation shutdown
This type of error is "non-volatile", which means that it is not
removed automatically.
On the display flash
and appears the symbol
In this case the boiler does not restart automatically, but it may be
reset by pressing the
If the problem manifests itself again after several attempts to
reset the appliance, contact a qualified technician.
Important
If this shutdown occurs frequently, contact an authorised
service centre for assistance. For safety reasons, the boiler
will allow a maximum of 5 reset operations to take place in 15
minutes (individual presses of the
If the shutdown is occasional or an isolated event, this is not
Necessarily a problem.
and the error
)
flash on the
Err/501
and the error code , e.g.
.
button.
button).
Operation shutdown error table
Display Description
1 01
Overheating
1 03
1 04
1 05
Insufficient circulation
1 06
1 07
1 08
Insufficient water pressure - see Note 1
3 05
P.C.B. error
3 06
P.C.B. error
3 07
P.C.B. error
No flame detection
5 01
Anti-frost Device.
The anti-frost function acts on the central heating flow temperature pro-
be, independently from other settings, when the electrical supply is tur-
ned on. If the primary circuit temperature falls below 8°C the pump will
run for 2 minutes.
After the two minutes of circulation (fixed) the boiler will check the fol-
lowing:
a - if the central heating flow temperature is > 8°C, the pump stops;
b - if the central heating flow temperature is between 4 and 8°C, the
pump will run for another two minutes;
c - if the central heating flow temperature is
< 4°C, the burner will fire (heating posi-
tion) at minimum power until the tempe-
rature reaches 33°C, the burner will go off
and the pump will continue to run for two
minutes.
The activation of the Anti-Frost feature is
symbolised by
.
The anti-frost device activates only when (with
the boiler operating correctly):
- the system pressure is correct;
- the boiler is electrically powered;
- there is a supply of gas.
USER'S MANUAL
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