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CONTROL EQUIPMENT AND COMMANDS FOR GAS BURNERS LME 22...
Status indication
Legend
... Fixed activation
¡ Off
Red
Yellow
l
Green
n
Operating, indications, diagnostics (continue to the following
page)
Diagnostics of the cause of fault
After lockout. the red fault signal light will remain fixed on. In
this condition visual diagnostics of the cause of fault acccord-
ing to the error code table can be activated by pressing the
lockout reset button for more than 3 seconds. Pressing the
reset button again for at least 3 seconds, interface diagnostics
will be activated
Colour code table for multicolour
signal lamp (LED)
2 blinks
l l
3 x blinks
l l l
4 blinks
l l l l
5 blinks
l l l l l
6 blinks
l l l l l l
7 blinks
l l l l l l l
8 x blinks
l l l l l l l l
9 blinks
l l l l l l l l l
10 blinks
l l l l l l l l l l
During the time the cause of fault is diagnosed, the control outputs are deactivated
- Burner remains shut down
- External fault indication remains deactivated
- Fault status signal "AL" at terminal 10, according to the error code table
To exit from the diagnostics of the cause of fault and switch on the burner again, reset the burner control.
Press the lockout reset button for about 1 second (< 3 seconds).
During startup, status indication takes place according to the following table:
Colour code table for multicolour signal lamp (LED)
Status
Waiting time "tw", other waiting states
Ignition phase, controlled ignition
Operation, flame O.K.
Operation, flame not O.K.
Extraneous light when burner startup
Low voltage
Breakdown, alarm
Error code generation (see "Error code table")
Interface diagnostics
Error code table
«AL» at term. 10
Possible cause
No flame at the end of the
- Faulty or soiled fuel valves
On
- Poor adjustment of burner, no fuel
- Faulty ignition equipment
defective "LP" (air pressure switch)
- No or faulty air pressure signal after completion "t10"
On
- "LP" is welded in normal positionè saldato in posizione normale
Extraneous light when burner startup
On
On
Time out "LP" - "LP" is welded into working position
On
Unused
Too many losses of flame during operation (limitation of repetitions)
On
- Faulty or soiled fuel valves
- Poor adjustment of burner
On
Unused
On
Unused
Off
Wiring error or internal error, output contacts, other faults
0006081426_201203
Colour code
¡...............................................
l
¡
l
¡
l
¡
l
¡...............................................
n
¡
n
¡
n
¡
n
n
n
n
n
l
l
l
l
...............................................
¡
¡
¡
¡
Blocked position
Blocked position
Visual diagnostic
Code error table
"TSA" (safe ignition time)
- Faulty or soiled flame detector
- Faulty or soiled flame detector
13 / 20
Colour
Off
Flashing yellow
¡
l
¡
Green
Flashing green
¡
n
¡
Green-red
n
Yellow-red
l
Red
Flashing red
Flashing red light
Blocked position
PC/analyser
Diagnostic
interface
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