FR;GB-030B_f.1105
27
symptom
reason
action
Control panel indica-
tors are off
lack of boiler power supply
check parameters of the power network
and fuses
contact the seller
B indicator flickers
pump is blocked
Unblock the rotor of the pump by insert-
ing a screwdriver into slot that is placed
in front of the pump (as shown in the
figure on page no.7). Push the screw
-
driver and turn in a random direction.
medium doesn’t circulate through
the boiler - boiler is blocked
an air-bound of central heating system,
vent the installation, pump and boiler
check patency of central heating system,
clean the filter
a failure of pump’s power supply contact the seller
a failure of pump or flow sensor
contact the seller
C indicator is off,
room thermostat
sends heat on signal
a failure of installation that con-
nect a room thermostat
check installation
a failure of electronic module
contact the seller
D indicator flickers
D indicator flickers a failure of inlet
temp. sensor, boiler in emergency
mode
contact the seller
E indicator flickers
a failure of outlet temp. sensor,
heating is blocked
contact the seller
C indicator flickers
when the master
appli ance doesn’t
work
a failure of installation that con-
nects the master appliance
check installation
a failure of electronic module
contact the seller
Boiler doesn’t heat a
cylinder
a failure of cylinder temp. sensor
or thermostat
contact the seller, replace cylinder temp.
sensor or thermostat
a failure of three-way valve
actuator
replace the actuator
a failure of electronic module
contact the seller
J panel display
shows “_“,”_ _“, B
indicator flickers
medium temperature in the circuit
is too low, medium flow rate
reading error
wait until the start-up procedure is
finished
Failures
GB
