8
No flame - F1
Boiler is switched off, for
example by reason of gas
supply failure. LED 4 un-
der symbol
flash. Bo-
iler can be restarted by
switching off and on (
from
position „I” to position „0“ and again to po-
sition „I“
by mains on/off switch). If fault is
frequent, call service centre.
Loss of circuit heating water - F0
Pressure is under 0,7
Bar. Boiler is switched off,
LED 1 and LED 4 under
symbols
and flashes.
After filling system up to 1-
2 Bar the boiler automati-
cally starts. For filling can
be used refilling valve at the bottom of
boiler (see fig. 4). If fault is frequent, call
service centre.
Other boiler faults (from F2 to F8)
Boiler switched off itself.
LED 4 under symbol
flash. It is necessary to
call service centre.
Fault messages
Boiler memory fault - F9
Boiler works, but possi-
bility changes in setting
exists. LED 3 under sym-
bol
lights continuously.
Switch the boiler off and
on (
from position „I” to
position „0“ and again to position „I“
by
mains on/off switch). Then check boiler
parameters (see Water temperature set-
ting). Let check the boiler setting by ser-
vice centre occasionally.
Note: The preparation for and commencing
of the boiler operation may only be carried
out by a specialised service centre!
Before starting the boiler when it
has been put into operation, check
the following facts:
• The power cord must be plugged into the
socket.
• The gas valve that feeds the boiler must
be open.
• The water pressure in the heating system
should be between 1 and 2 bar
Now the boiler is ready to be started.
Boiler start
Set the mains on/off switch to the “on” posi-
tion (“I”). Display light up.
Note: In case of safety switch-off due to
extinction of flame or the flue thermostat
reaction (version 24 BOV) LED 4 under
symbol
starts flash.
Boiler can be un-
blocking by switching the boiler off and on
Boiler Start and Switch-Off
(
from position „I” to position „0“ and again
to position „I“
by mains on/off switch).
In case of
safety switch-off due to overheat
thermostat Led 4 under symbol
flash
too, but boiler can be unblocking only by
service centre and this act is not guarantee
repair.
Warning: The boiler must not be oper-
ated if the safety elements (e.g. overheat
thermostat, flue termostat) are dis abled or
re placed with elements different from those
specified by the manufacturer.
Boiler switch-off
Set the mains on/off switch to the “off”
position (“0”).
If the boiler is going to be switched off for
a longer time, it is recommended to dis-
connect boiler from the electricity source
and close gas valve. This must be done
with reference to ambient temperature,
because there is the risk of freezing boiler
and system in frost weather.
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