Ravelli HR EVO 200 SMART Bedienungs- Und Wartungshandbuch Seite 98

Rev.0 21/12/2020
Pag.46
Occurs when the gearmotor
AL B
works continuously and for
AUG TRIAC
ERROR more than 60 sec.
The system is stopped.
Occurs in case of water
T detection
Al C
displaying T H2O = 0 °C.
WATER PROBE
S1
The shutdown procedure
Occurs
AL D
temperature has exceeded
HOT
WATER S1 the fixed limits.
The system is stopped.
Occurs in case of water
T detection probe fault,
AL F
displaying T H2O = 0 °C.
WATER PROBE
S2
The shutdown procedure is
activated.
Occurs
AL G
temperature has exceeded
HOT
WATER S2 the fixed limits.
The system is stopped.
Occurs in case of water T
detection probe fault,
AL I
WATER PROBE
displaying T H2O = 0 °C.
S3
The shutdown procedure
is activated
In the work stage the boiler
detects a opening the fire
AL M
door- ash door
DOOR OPEN
The system is stopped.
Occurs in case of water T
AL H
detection probe fault,
HOT
ACQUA S3 displaying T H2O = 0 °C.
The system is stopped.
Occurs on relighting the
AWAITING COOL boiler immediately after
having shut it down.
AIRFLOW METER
Occurs when the air flow
FAILURE
meter is disconnected.
Occurs when the water
FROST RISK temperature falls below a
certain value.
Occurs when the boiler has
SERVICE
exceeded 1800 hours of
DUE
operation or 2000 Kg pellet
since the previous servicing.
The cleaner did not
AL N CLEANER
complete the movement
FAILURE
and is not in the correct
position
Use and maintenance manual
The controller detects a faulty gearmotor
control relay (contacts stuck).
probe fault,
Faulty probe
The probe is disconnected from the board.
when the water
Occurs when the temperature probe in the
heating chamber detects a value above
92°C.
Faulty probe
The probe is disconnected from the board.
when the water
Occurs when the temperature probe in the
heating chamber detects a value above
92°C.
Faulty probe
The probe is disconnected from the board.
The fire door is not closed.
The ash door is not closed. Defective switch.
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.
Cleaner failure
HR EVO 200-250 SMART
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.
Reinstatement operations must be carried out
by a service centre.
Check hermetic closing of the fire door or ash
door.
Other 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.
Reset the alarm and wait for the boiler to
switch to SHUTDOWN mode. Cut off and
power again, the system reactivates the
cleaner searching the correct position again.
If the problem persists, contact the Support
Service