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check the heating system for possible
water leaks.
T
EMPORARY SHUTDOWN DUE TO
DEFECTIVE DISCHARGE OF
EXHAUST FUMES
The boiler is fitted with safety devices,
which in the event of a defective
discharge
of
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
exhaust
fumes
returned to normal, the
14
exhaust
fumes,
H
of
has
UT006A
boiler automatically turns back on.
I
!
MPORTANT
If this situation occurs frequently,
contact an Authorised Service Centre.
so that they may check that the exhaust
fumes are being expelled correctly and
that the area is ventilated properly.
A
-
NTI
FROST DEVICE
If the water temperature goes below
3°C, the burner turns on at minimum
power in CH mode until the water in the
boiler has reached a temperature of
about 33°C. This function is only
activated when the boiler is operating
perfectly and
- the system pressure is sufficient;
- the boiler is powered electrically;
- gas is being distributed.