TERMO-VIOLA
65
Signalling
Fault
Possible causes
Cures
AL 8
NO NEG
PRESS
-In the work stage the stove
detects a pressure below the
vacuum switch setting
threshold.
-The system is stopped.
-The combustion chamber is
dirty.
-The fume duct is obstructed.
-The fire door is not closed.
-The overpressure valves are
open-stuck.
-Faulty vacuum switch.
-Check cleanness of the fume
duct and combustion
chamber.
-Check hermetic closing of the
door.
-Check closing of the
overpressure valves.
-Other reinstatement
operations must be carried out
by a service centre.
AL 9
INSUFF
DRAUGHT
-Appears when the
combustion air flow is below a
certain threshold.
-The combustion chamber is
dirty.
-The fume duct is obstructed.
-The fire door is not closed.
-The overpressure valves are
open-stuck.
-Faulty air flow meter.
-Check cleanness of the fume
duct
and
combustion
chamber.
-Check hermetic closing door.
-Check
closing
of
the
overpressure valves.
-Other reinstatement
operations must be carried out
by a service centre.
AL E
WATER
PRESSURE
-Occurs when the water
pressure does not come within
the values for correct
operation.
-The system is stopped.
-Occurs when the pressure
transducer on the water circuit
detects a pressure below 0,6
bar or above the fixed limits.
-Check the cause of the
problem, restoring the circuit
pressure by bringing it to the
normal operating value.
AL b
AUG TRIAC
ERROR
-Occurs when the gearmotor
works continuously and for
more than 60 sec.
-The system is stopped.
-The controller detects a faulty
gearmotor
control
relay
(contacts stuck).
-Reinstatement operations
must be carried out by a
service centre.
AL c
WATER
PROBE
-Occurs in case of a water
temperature probe fault.
-The shutdown procedure is
activated.
-Faulty probe
-The probe is disconnected
from the board.
-Reinstatement operations
must be carried out by a
service centre.
AL d
HOT
WATER
-Occurs when the water
temperature has exceeded the
fixed limits.
-The system is stopped.
-Occurs when the temperature
probe in the heating chamber
detects a value above 92°C.
-Check the cause of the
problem, restoring the
temperature by bringing it to
the normal operating value.
WAITING
COOL
-Occurs on relighting the stove
immediately after having shut
it down.
-Reset attempt in shutdown
stage with stove hot in cooling
stage.
-Alarm reset is possible only
after shutdown.
AIR FLOW
METER
FAILURE
-Occurs when the air flow
meter is disconnected.
-The controller does not detect
the quantity of combustion air
and does not shut down the
stove; it only excludes the air
flow meter functions.
-Reinstatement operations
must be carried out by a
service centre.
FROST RISK
-Occurs when the water
temperature falls below a
certain value.
-The stove control detects the
water temperature below 6°C
and displays a message.
-The pump starts in order to
move the water inside the
heating circuit.
- Monitor the water
temperature so that it does not
fall below 0°C.
SERVICE
DUE
-Occurs when the stove has
exceeded 1800 hours of
operation since the previous
servicing.
-Extraordinary
maintenance
notice.
- Cleaning - extraordinary
maintenance and
reinstatement operations must
be carried out by a service
centre.
The Manufacturer reserves the right to make technical or aesthetic changes to the products at any time without notice.
The drawings, measurements, diagrams and any other configurations are given only by way of example.
Summary of Contents for TERMO-VIOLA
Page 2: ...TERMO VIOLA 2 ...
Page 3: ...TERMO VIOLA 3 ...
Page 5: ...TERMO VIOLA 5 ...
Page 6: ...TERMO VIOLA 6 ...
Page 7: ...TERMO VIOLA 7 ...
Page 8: ...TERMO VIOLA 8 ...