Indication of operation :
In normal operation, the various statues are
indicated in the form of colour codes according
to the table below.
The interface diagnosis (with adapter) can be
activated by pressing the lock-out button for
> 3 seconds.
Diagnosis of fault causes :
After lock-out has occurred, the red signal lamp is steady on. In this status, the visual fault diagnosis
according to the error code table can be activated by pressing the lock-out reset button for > 3 seconds.
The interface diagnosis (with adapter) can be activated by pressing again the lock-out button for > 3
seconds.
The blinkers of red LED are a signal with this sequence :
(e.g. signal with n
°
3 blinks – faulty air pressure monitor)
Lock-out
If the 1st stage flame does not light within the safety limit (3s max.)
the burner locks-out.
When flame-failure occurs during working, shut down takes place
within one second.
START UP CYCLE
Correct operation
0s The burner begins
the ignition cycle
0s-2s Safety time
2s-42s Pre-purge with
opened air damper
42s-45s Ignition 1st stage
52s Ignition 2nd stage.
TR
M
V1
2 s max.
Ignition
transformer
40 s
1
Lock-out
Normal
3 s max.
Lock-out due to ignition failure
2
V2
10 s
time (s)
time (s)
3 s max.
2 s max.
40 s
Error code table
Possible cause of fault
No establishment of flame at the end of safety time : - faulty or soiled fuel valves
- faulty or soiled flame detector
- poor adjustment of burner, no fuel
- faulty ignition equipment
Faulty air pressure monitor
Simulation of flame on burner start up
Loss of flame during operation : - faulty or soiled fuel valves
- faulty or soiled flame detector
- poor adjustment of burner
Wiring error or internal fault
Blink code
Color code table
Operation statues
Stand-by
Pre-purging
Ignition phase
Flame OK
Poor flame
Undervoltage, built-in fuse
Fault, alarm
Extraneous light
Color code table
LED off
LED off
3 sec.
3 sec.
3 sec.
9
