Sime SOLO 25 ErP Instrucciones De Instalación Y Mantenimiento página 76

whenever the temperature of 110°C is
exceeded in the boiler. To restore boil-
er operation, unscrew the black cap
and reset the button (fig. 21).
Should the appliance "lock out" again,
please approach the authorised tech-
nical staff.
BURNER RESTART
(fig. 23)
In case that ignition or operation faults
occur, the main burner "locks out" and
the red lamp lights up on the control
panel.
Press the "RESET" button to restart
the ignition conditions until the flame
lights up (fig. 23). This operation can be
repeated 2-3 times at maximum and in
case of failure contact the authorised
technical staff.
ATTENTION: Make sure that
there is fuel in the tank and
that the taps are open. After
each fill up of the tank it is advisable
to interrupt the operation of the
burner for about one hour.
TURNING OFF BOILER
(fig. 19)
It is sufficient to press the main switch
to turn off the boiler (fig. 19).
Close both the gas-feed pipe tap and
the water tap if the boiler remains
inoperative for a long period.
SYSTEM FILLING
(fig. 24)
Check periodically that the hydrometer
has pressure values at a switched-off
system of 1 - 1.2 bar.
If the orange water pressure gauge
light turns on inhibiting boiler opera-
tions, restore operations by turning
the supply tap counter-clockwise.
After the operation check that the tap
is properly closed (fig. 24).
Should the pressure exceed the fore-
seen limit, discharge the superfluous
amount by operating on the vent knob
of any radiator.
GREEN LED PUMP HIGH
EFFICIENCY (fig. 25)
If the LED signal is missing or the
colour changes (blinking red/green or
76
RED WARNING LIGHT ON
ORANGE LIGHT ON
Fig. 22
RESET
BUTTON
RESET
TWICE
ONLY
Fig. 23
OPEN
2
bar
1 3
0 4
Fig. 24