When the stove is in the working mode, the “BURN POT CLEANING” mode is activated for the period set by Pr12 parameter at the intervals set by Pr03 parameter.
Stove switch off
Hold down P4 button for approx. 2 seconds to switch off the stove. The Auger tube stops immediately and the exhaust blower reaches its maximum speed value.
The FINAL CLEANING phase is performed.
At the end of the period of time set by Pr39, when the fume temperature has reached a value below Pr13 parameter, the exhaust blower stops.
Stove switched off
The display will show the wording OFF. The exhaust blower stops.
Stove re-ignition
It will be possible to switch the stove back on only at the end of the safety period of time set by Pr38 and if the fume temperature has reached a value below Pr13.
WHAT HAPPENS IF...:
Pellet ignition failure
In case of non-ignition, the display shows the alarm message “NO IGN”.
Power outage
Pr48 = 0
When the power is resumed after an outage, the stove enters the FINAL CLEANING phase and waits until the fume temperature reaches a value below Pr13.
Pr48 = T seconds
After a power outage, one of the following conditions may occur depending on the stove previous status:
previous statuspower outage durationnew status
switched off any switched off
ignition < T ignition
pellet loading without pre-load < T pellet loading
pellet loading with pre-load any switching off
waiting for flame < T waiting for flame
working mode < T working mode
burn pot cleaning < T burn pot cleaning
switching off < T switching off
If the power outage duration is longer than T, the stove switches off.
09. HYDRO STOVE ALARMS
In the event of a malfunction, the control board indicates the problem and activates various procedures depending on the type of alarm. The possible alarm
messages are listed below:
CauseDisplay shows
Fume temperature sensor FUME PROBE ALARM
Fume overheating ALARM HOT TEMP
Ignition fault ALARM NO FIRE
Switches off when in working mode ALARM NO FIRE
Power outage COOL FIRE
Auger tube
safety pressure switch ALARM DEP FAIL
General safety thermostat ALARM SIC FAIL
Damaged exhaust blower ALARM FAN FAIL
In case of alarm, the stove is immediately switched off.
The alarm status is reached after the Pr11 time and can be reset by pressing the P4 button.
Fume temperature sensor alarm
The alarm is triggered when the fume temperature probe is not working properly or is disconnected. The stove switches off when the alarm is active.
Fume overtemperature alarm
It occurs if the fume probe detects a temperature higher than 280°C. The display shows the message ALARM HOT TEMP.
The stove switching-off phase starts immediately.
Ignition failure alarm.
The alarm is triggered whenever ignition fails. The shutdown procedure is immediately activated.
Stove switching-off during working mode alarm
If during the work phase the flame goes out and the flue gas temperature drops below the minimum work threshold (parameter Pr13), the ALARM NO FIRE alarm
is activated. The shutdown procedure is immediately activated.
Auger tube safety pressure switch alarm
If the pressure switch detects a value below the trigger threshold, it immediately switches off the auger tube (to which it is connected in series) while the control
board acquires this change in status via the AL 2 terminal in CN4. ALARM DEP FAIL is displayed and the system is shut down.
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