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0006080871_201711
MALFUNCTION AND LOCK CAUSE DIAGNOSTICS.
In the event of a burner lock-out, the red light on the reset button will be fixed.
Keeping it pressed in for more than 3 seconds, the diagnostics procedure is activated (red light with quick flashes). The table below indicates the
meaning of the lock-out or failure according to the number of red flashes.
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>
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner, 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
Lack of flame signal during normal operation, ignition repeated (ignition is repeated
max. 3 times)
- Fuel valves' failure or earthing not correct
- Poor adjustment of burner
8 blinks
●●●●●●●●
On
Fuel preheating time failure
9 blinks
●●●●●●●●●
On
Available
10 blinks
●●●●●●●●●●
On
Wiring problems or damage inside the device
• During the time the cause of fault is diagnosed, the control outputs are deactivated.
•
- Is the burner shut down
•
- 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.
