Systema EOLO BC RT - Operation Indicators on the Display

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5
SYSTEMA EOLO RT rev. 09ENIT04052021
FUNZIONAMENTO
5.1.1 Operation indicators on the display
Tab 5.1 Indications on the display of the SCP674V030 board
DISPLAY
STATUS
BURNER
CONDITION DESCRIPTION
Off Adjust SCP674V130A1 board test phase
Starting Regular Combustion chamber pre-ignition phase
Starting Regular Pre-ignition / BOOST phase
Starting Regular Ignition phase, waiting for ame warning light present
Off Blocked Burner RESET
Off Regular TA contact open - burner off
Off Regular
TA contact open - combustion chamber ventilation after burner shutdown - no ope-
ration command
On Regular Burner test phase
On Regular
Flame present (indicates the operating PWM value, for the corresponding heat
output see tab 7.18, page 73)
ALLARMI
Off Alarm
Alarm: probe P3 short-circuited or not connected, or temperature outside instrument
limits.
Off Alarm
Generic alarm, contact J7B open (if present, pressure switch Pg-, relay C3 open for
three-phase motor thermal trip).
Off Alarm
Serious alarm in progress or occurred, J7C contact open (Tso, Pa, Pg+ if present).
The burner is locked until reset; to eliminate the serious alarm signal and restart the
burner close contact RT (reset).
Off Alarm
Burner block alarm;
If the alarm persists for more than 2 minutes, the burner locks.
Off Alarm
Alarm exceeding minimum rpm blower value.
When this event occurs, the burner switches off.
Off Alarm
Alarm for maximum blower rpm exceeded.
When this event occurs, the burner switches off.
Off Alarm
Start-up test alarm failed.
When alarm E7 occurs, the burner locks. To cancel the alarm signal, switch off and
then switch the power supply back on.
Off Alarm
Alarm lockout light and operation light on at the same time.
To eliminate the alarm signal and restart the burner, close the RT contact (Sr button).
Off Alarm
Serious alarm, parameter database corrupt. Contact the service centre and check
the values of parameters rL, rH and Y9. To eliminate the error Ed after entering the
parameters rL / rH / Y9 with the data provided by the burner manufacturer, switch off
the power supply to the board for at least 10 seconds.
Off Alarm EEPROM alarm faulty; try switching the instrument off and on again.