MALFUNCTION AND LOCK CAUSE DIAGNOSTICS.
In the event of a burner lock-out, the red light on the reset button will be fixed.
To activate the diagnosis phase (red light blinking fast) press the button for more than 3 seconds. The table below indicates the meaning of the
block or fault cause according to the number of flashings (always red).
Holding the reset button down for at least 3 seconds, the diagnostics function will be interrupted.
The diagram below shows the operations to be carried out to activate the diagnostic functions even with communication interface through the
"OCI400" connection cable.
EK
> 3 s
Flashing
xxxxxxxx
xxxxxxxx
xxxxxxxx
xxxxxxxx
xxxxxxxx
xxxxxxxx
EK
> 3 s
O
C
I4
00
EK
< 3 s
71
30
z04
e/06
02
Reset
On
Operating position
PC interface /
diagnostic analyser
Colour code table
Diagnostics
Operating position
Operating position
Visual indication
"AL” to terminal 10
Possible causes
2 blinks
●●
On
No flame at the end of the safe ignition time<TSA>
- Fuel valves malfunctioning
- Flame detector malfunctioning
- Incorrect burner calibration, no fuel
- No ignition faulty ignition transformer
3 blinks
●●●
On
Available
4 blinks
●●●●
On
Extraneous light during the ignition phase
5 blinks
●●●●●
On
Available
6 blinks
●●●●●●
On
Available
7 blinks
●●●●●●●
On
No flame signal during normal operation, ignition repetition (limitation of ignition repetitions
to max 3)
- Fuel valve fault or incorrect grounding
- Incorrect burner calibration
8 blinks
●●●●●●●●
On
Fuel pre-heading anomalous time
9 blinks
●●●●●●●●●
On
Available
10 blinks
●●●●●●●●●●
On
Wiring problems or internal device damages
•
During the fault-finding time, the device is disabled.
•
- The burner is off.
•
- The alarm signal AL “is on terminal 10 which is under voltage.
•
Press the lockout reset button for about 1 second (< 3 seconds) to reactivate the device and start a new cycle.
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Summary of Contents for TBL 18
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