HR EVO 200-250 SMART
use and maintenance manual
Pag.86
Rev.0 03/07/2019
ENG
AL B
AUG TRIAC
ERROR
Occurs when the gearmotor
works continuously and for
more than 60 sec.
The controller detects a faulty gearmotor
control relay (contacts stuck).
Reinstatement operations must be carried out
by a service centre.
The system is stopped.
Al C
WATER PROBE
S1
Occurs in case of water
T detection probe fault,
displaying T H2O = 0 °C.
Faulty probe
Reinstatement operations must be carried out
by a service centre.
The shutdown procedure
The probe is disconnected from the board.
AL D
HOT
WATER S1
Occurs when the water
temperature has exceeded
the fixed limits.
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.
The system is stopped.
AL F
WATER PROBE
S2
Occurs in case of water
T detection probe fault,
displaying T H2O = 0 °C.
Faulty probe
Reinstatement operations must be carried out
by a service centre.
The shutdown procedure is
activated.
The probe is disconnected from the board.
AL G
HOT
WATER S2
Occurs when the water
temperature has exceeded
the fixed limits.
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.
The system is stopped.
AL I
WATER PROBE
S3
Occurs in case of water T
detection probe fault,
displaying T H2O = 0 °C.
Faulty probe
Reinstatement operations must be carried out
by a service centre.
The shutdown procedure
is activated
The probe is disconnected from the board.
AL M
DOOR OPEN
In the work stage the boiler
detects a opening the fire
door- ash door
The fire door is not closed.
Check hermetic closing of the fire door or ash
door.
The system is stopped.
The ash door is not closed. Defective switch.
Other reinstatement operations must be
carried out by a service centre.
AL H
HOT
ACQUA S3
Occurs in case of water T
detection probe fault,
displaying T H2O = 0 °C.
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.
The system is stopped.
AWAITING COOL
Occurs on relighting the
boiler immediately after
having shut it down.
Reset attempt in shutdown stage with boiler
hot in cooling stage.
Alarm reset is possible only after shutdown.
AIRFLOW METER
FAILURE
Occurs when the air flow
meter is disconnected.
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.
Reinstatement operations must be carried out
by a service centre.
FROST RISK
Occurs when the water
temperature falls below a
certain value.
The boiler controller 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 boiler has
exceeded 1800 hours of
operation or 2000 Kg pellet
since the previous servicing.
Extraordinary maintenance notice.
Cleaning - extraordinary maintenance and
reinstatement operations must be carried out
by an authorised service centre.
AL N CLEANER
FAILURE
The cleaner did not
complete the movement
and is not in the correct
position
Cleaner failure
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
Содержание HR EVO 200 SMART
Страница 2: ......