Operating Fault Diagnostics - Riello PRESS 60 N/ECO Manuel D'entretien

4.10 BURNER START-UP PROGRAM DIAGNOSTICS
During start-up, indication is according to the following table:
Sequences
Preventilation
Ignition phase
Operation with flame ok
Operation with weak flame
Electrical supply lower than
Lock-out
Extraneous light
Key: Off
4.11 OPERATING FAULT DIAGNOSTIC
The control box has a self-diagnostic system with which it is possible to easily identify the possible causes of
operating faults (RED LED signal).
To use this function, wait at least ten seconds from the moment the control box goes into safety mode of the con-
trol box and press the reset button for at least three seconds.
After releasing the button, the RED LED starts blinking as shown in the diagram below .
RED LED on
wait at least 10 secs
The pulses of the LED constitute a signal at approximately three-second intervals.
The number of pulses will provide the information on the possible faults, according to the table below:
SIGNAL
2 blinks
3 blinks
4 blinks
7 blinks
8 blinks
10 blinks
6194
COLOUR CODE TABLE
~
170V
Yellow
Press button
for > 3 sec
No stable flame is indicated in the safety period:
– faulty photocell;
– oil valve fault;
– neutral/phase reversal;
– faulty ignition transformer
– poor burner regulation (insufficient fuel oil).
Min. air pressure switch (if installed) does not close:
– air pressure switch faulty;
– air pressure switch not regulated;
– max. air pressure switch triggered (if installed).
Min. air pressure switch (if installed) does not switch or light in the chamber before
ignition:
– air pressure switch faulty;
– air pressure switch not regulated.
Loss of flame during operation:
– no burner regulation (insufficient fuel oil);
– oil valve fault;
– short circuit between photocell and earth.
– Faulty thermostat for oil permissive signal;
– Heating resistances blown.
– Wiring error or internal fault.
Green Red
Interval
signal 3 sec
PROBABLE CAUSE
10 GB
Colour code
signal