Ravelli HR EVO 200 SMART Use And Maintenance Manual page 165

EN
Rev.1 08/09/2021
Pag.48
SIGNAL
AL B
AUG TRIAC
ERROR
AL C
WATER PROBE
S1
AL D
HOT WATER S1
AL E
WATER
PRESSURE
AL F
WATER PROBE
S2
AL G
HOT WATER S2
AL H
HOT ACQUA S3
AL I
WATER PROBE
S3
AL M
DOOR OPEN
AL N
CLEANER
FAILURE
Use and maintenance manual HR EVO Smart
ANOMALY POSSIBLE CAUSES
Occurs when the gear-
The controller detects a faulty gearmo-
motor works continuously
tor control relay (contacts stuck).
and for more than 60 sec.
Occurs in case of water
Faulty probe
T detection probe fault,
displaying T H2O = 0 °C.
The probe is disconnected from the
board.
Occurs when the water Occurs when the temperature probe in
temperature has exceed- the heating chamber detects a value
ed the fixed limits. above 92°C.
Occurs when the water
Occurs when the pressure transducer
pressure does not come
on the water circuit detects a pressure
within the values for
below or above the fixed limits.
correct operation.
Faulty probe
Occurs in case of water
T detection probe fault,
The probe is disconnected from the
displaying T H2O = 0 °C.
board.
Occurs when the water Occurs when the temperature probe in
temperature has exceed- the heating chamber detects a value
ed the fixed limits. above 92°C.
Occurs in case of water Occurs when the temperature probe in
T detection probe fault, the heating chamber detects a value
displaying T H2O = 0 °C. above 92°C.
Faulty probe
Occurs in case of water
T detection probe fault,
The probe is disconnected from the
displaying T H2O = 0 °C.
board.
The fire door and the ash door are not
In the work stage the
closed.
boiler detects a opening
the fire door- ash door
Defective switch.
The cleaner did not
complete the movement
Cleaner failure
and is not in the correct
position
SOLUTION
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.
Check the cause of the problem, re-
storing the circuit pressure 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 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.
Reset the alarm and wait for the boiler
to switch to SHUTDOWN mode. Cut
off and power again, the system reacti-
vates the cleaner searching the correct
position again.
If the problem persists, contact the
Support Service