13
SHUTDOWN DUE TO INSUFFICIENT
WATER CIRCULATION
If the red L.E.D. “C” is illuminated and
the boiler is off, one possible cause for
this state is an insufficient pressure of
water in the system.
Check the system pressure on the
pressure gauge “N” and if it is less
than 0.5 bar.
Then turn off and turn back on the
boiler by means of the selector knob
“A”. If the boiler does not start up
again and the L.E.D. “C” remains
illuminated, contact an Authorised
Service Centre.
If there are frequent drops in pressure
within the system, have a plumber
check the heating system for possible
water leaks.
TEMPORARY SHUTDOWN DUE TO
DEFECTIVE DISCHARGE OF
EXHAUST FUMES
The boiler is fitted with safety devices,
which in the event of a defective
discharge of exhaust fumes,
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. “F” for a
period of about 15 minutes.
Once this time period has passed and
the discharge state of exhaust fumes
has returned to normal, the boiler
automatically turns back on.
I
MPORTANT!
If this situation occurs frequently,
F
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