Ravelli HR EVO 170, Инструкция по установке, использованию и техническому обслуживанию

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HR EVO 170 - 250
use and maintenance manual
Pag.82
Rev.1 16/03/2018
ENG
AL A
SAFETY H2O
Occurs in case of cutting
in heating chamber
water temperature safety
thermostat. The safety thermostat has
detected a temperature
above the setting threshold
due to overheating of
the heating chamber
water blocking gearmotor
operation.
Check the cause of excessive overheating.
The system is stopped.
Reset the relevant safety thermostat by pressing the reset
button.
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.