Ferroli NATURFIRE 17 HR Installations-, Bedienungs- Und Wartungsanleitung Seite 66

-Occurs when the water pressure does
AL E
not come within the values for
WATER
correct operation.
PRESSURE
-The system is stopped.
-Occurs in case of cutting in heating
AL A
chamber water temperature safety
SAFETY H2O thermostat.
-The system is stopped.
-Occurs when the gearmotor works
AL B
continuously and for more than 60
AUG TRIAC
sec.
ERROR
-The system is stopped.
-Occurs in case of water T detection
Al C
probe
WATER PROBE
fault,
displaying T H2O = 0 °C.
S1
- The shutdown procedure
is activated.
AL F
-Occurs when the water temperature
HOT
has exceeded the fixed limits.
-The system is stopped.
WATER S1
-Occurs in case of water T detection
Al G
probe
WATER PROBE
fault,
displaying T H2O = 0 °C.
S2
-The shutdown procedure is activated.
AL I
-Occurs when the water temperature
HOT
has exceeded the fixed limits.
-The system is stopped.
WATER S2
-In the work stage the boiler detects a
AL M
opening the fire door- ash door
DOOR OPEN
-The system is stopped.
-Occurs in case of water T detection
Al H
probe fault,
WATER PROBE
displaying T H2O = 0 °C.
- The shutdown procedure
S3
is activated.
AL d
-Occurs when the water temperature
HOT
has exceeded the fixed limits.
-The system is stopped.
WATER S3
AWAITING
-Occurs on relighting the boiler
COOL immediately after having shut it down.
AIRFLOW
-Occurs when the air flow meter is
METER
disconnected.
FAILURE
-Occurs when the water temperature
FROST RISK
falls below a certain value.
-Occurs when the boiler has
exceeded 1800 hours of operation or
SERVICE
2000 Kg pellet since the previous
DUE
servicing.
-Occurs when the pressure transducer
on the water circuit detects a pressure
below or above the fixed limits.
-The safety thermostat has detected a
temperature above the
threshold due to overheating of the
heating chamber water
gearmotor operation.
-The controller detects a
gearmotor control relay (contacts
stuck).
-Faulty probe
-The probe is disconnected from the
board.
-Occurs when the temperature probe
in the heating chamber detects a
value above 92°C.
-Faulty probe
-The probe is disconnected from the
board.
-Occurs when the temperature probe
in the heating chamber detects a
value above 92°C.
-The fire door is not closed.
-The ash door is not closed.
-Defective switch
-Faulty probe
-The probe is disconnected from the
board.
-Occurs when the temperature probe
in the heating chamber detects a
value above 92°C.
-Reset attempt in shutdown stage with
boiler hot in cooling stage.
-The controller does not detect the
amount of combustion air and does
not shut down the boiler; it only
excludes the air flow meter functions.
-The boiler controller detects the
water temperature below 6°C and
displays a message.
-Extraordinary maintenance notice.
66
-Check the cause of the problem,
restoring the circuit pressure by
bringing it to the normal operating
value.
-Check the cause of excessive
setting
overheating.
-Reset the relevant safety thermostat
blocking
by pressing the reset button.
faulty
-Reinstatement operations must be
carried out by a service centre.
-Reinstatement operations must be
carried out by a service centre.
-Check the cause of the problem,
restoring the temperature by bringing
it to the normal operating value.
-Reinstatement operations must be
carried out by a service centre.
-Check the cause of the problem,
restoring the temperature by bringing
it to the normal operating value.
-Check hermetic closing of the fire
door or ash door.
-Other reinstatement operations must
be carried out by a service centre.
-Reinstatement operations must be
carried out by a service centre.
-Check the cause of the problem,
restoring the temperature by bringing
it to the normal operating value.
-Alarm reset is possible only after
shutdown.
-Reinstatement operations must be
carried out by a service centre.
-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.
- Cleaning - extraordinary
maintenance and reinstatement
operations must be carried out by an
authorised service centre.
NATURFIRE 17-25 HR