Alarm Management - Ravelli HR EVO 200 SMART Manual De Uso Y Mantenimento

Alarm management

Alarms are indicated by an acoustic signal (if activated) and a message on the control panel.
In case of an alarm, shut down the boiler, eliminate the cause and restart the boiler according to the normal procedure described in
this manual.
Every alarm status causes immediate boiler shutdown.
The alarms, with causes and cures, which can appear on the control panel are listed below:
SEGNALAZIONE ANOMALIA
AL 1
POWER FAILURE The boiler does not start.
Occurs in case of a fume
AL 2
temperature probe fault.
FUME PROBE
The shutdown procedure is
activated.
Occurs if the fume probe
detects a fume temperature
AL 3
above 280°C.
HOT FUMES
The shutdown procedure is
activated.
Occurs when the fume
extraction fan is faulty.
AL 4
FAN FAIL
The shutdown procedure is
activated.
No flame in ignition stage.
AL 5
NO IGNITION
The shutdown procedure is
activated.
AL 6
NO PELLETS Brazier not fed with pellets.
Occurs in case of
cutting in of the auger
AL 7
duct temperature safety
THERMAL SAF
thermostat.
The system is stopped.
In the work stage the boiler
AL 8 detects a pressure below
NO NEG PRESS the vacuum switch setting
threshold. The system is
stopped.
AL 9
Appears when the
INSUFF
combustion air flow is below
DRAUGHT
a certain threshold.
Occurs
AL E pressure does not come
WATER
within the values for correct
PRESSURE
operation.
The system is stopped.
Occurs in case of cutting
in
AL A
water temperature
SAFETY H2O
thermostat.
The system is stopped.
Use and maintenance manual
CAUSE POSSIBILI
No power during the lighting stage.
Probe fault.
The probe is disconnected from the board.
Too many pellets.
Reduced heat exchange
in the system.
The fume fan is blocked.
Faulty speed control sensor.
No power to fume fan.
The pellet hopper is empty.
The heater is faulty, dirty or not correctly
positioned.
Pellet load setting incorrect.
The pellet hopper is empty.
The pellet loading gearmotor has to adjust.
The gearmotor does not load pellets.
The safety thermostat has detected a
temperature above the setting threshold
due to overheating of the bottom part of the
hopper blocking gearmotor operation.
The combustion chamber is dirty.
The fume duct is obstructed.
The fire door is not closed.
The overpressure valves are open-stuck.
Faulty vacuum switch.
The combustion chamber is dirty.
The fume duct is obstructed.
The fire door is not closed.
The overpressure valves are open-stuck.
Faulty air flow meter.
when the water
Occurs when the pressure transducer on
the water circuit detects a pressure below or
above the fixed limits.
heating chamber The safety thermostat has detected a
safety temperature above the setting threshold due
to overheating of the heating chamber water
blocking gearmotor operation.
HR EVO 200-250 SMART
Turn the boiler OFF by pressing the button
P4 and repeat the lighting procedure.
Other reinstatement operations must be
carried out by a service centre.
Reinstatement operations must be carried
out by a service centre.
Adjust the pellet flow.
Other reinstatement operations must be
carried out by a service centre.
Reinstatement operations must be carried
out by a service centre.
Check pellets in hopper.
Check the lighting procedures.
Other reinstatement operations must be
carried out by a service centre.
Check pellets in hopper.
Adjust the pellet flow
Other reinstatement operations must be
carried out by a service centre.
Check the cause of excessive overheating.
Reset the relevant safety thermostat by
pressing the reset button.
Check cleanness of the fume duct and
combustion chamber.
Check hermetic closing of the door.
Check closing of the overpressure valves.
Other reinstatement operations must be
carried out by a service centre.
Check cleanness of the fume duct and
combustion chamber.
Check hermetic closing of the door.
Check closing of the overpressure valves.
Other reinstatement operations must be
carried out by a service centre.
Check the cause of the problem, restoring the
circuit pressure by bringing it to the normal
operating value.
Check the cause of excessive overheating.
Reset the relevant safety thermostat by
pressing the reset button.
Rev.0 21/12/2020
Pag.45
RISOLUZIONE