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0006080895 ed 2007/02
TWO-STAGE GAS BURNERS
GAS BURNER CONTROL DEVICE GAS LME 21...
Legend
…. Steady on
p
Red
Off
Yellow
Yellow
Green
Green
Color code table for multicolor signal lamp (LED)
Status
Color code
Color
Waiting time «tw», other waiting states
.
......................................
Off
Ignition phase, ignition controlled
Flashing yellow
Operation, fl ame o.k.
....................................................
Green
Operation, fl ame not o.k.
Flashing green
Extraneous light on burner startup
p
p
p
p
Undervoltage
p
p
p
p
Fault, alarm
p
.....................................................
Red
Error code output (refer to «Error code table»)
p
p
p
p
Flashing red
Interface diagnostics
p
p
p
p
p
p
p
p
Red fl icker light
Operational status
During startup, status indication takes place according to the following table:
indication
Error code table
Red blink code of signal lamp
(LED)
«AL» at term. 10
Possible cause
2 blinks
On
No establishment of fl ame at the end of «TSA» -Faulty or soiled
fuel valves -Faulty or soiled fl ame detector -Poor adjustment of
burner, no fuel -Faulty ignition equipment
3 x blinks
On
«LP» faulty -No or faulty air pressure signal after completion
«t10» - «LP» is welded in normal position
4 blinks
On
Extraneous light when burner startup
5 blinks
On
Time out «LP» - «LP» is welded in working position
6 blinks
On
Free
7 blinks
On
Too many losses of fl ame during operation (limitation of
Too many losses of fl ame during operation (limitation of
repetitions) -Faulty or soiled fuel valves -Faulty or soiled fl ame
detector -Poor adjustment of burner
detector -Poor adjustment of burner
8 x blinks
On
Free
9 blinks
On
Free
10 blinks
Off
Wiring error or internal error, output contacts, other faults
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
The diagnostics of the cause of fault is quit and the burner switched on again by resetting the burner
control. Press thelockout reset button for about 1 second (< 3 seconds).
After lockout. the red fault signa llamp will remaln steady
on. In thal conditio visual diagnostics of the cause of fault
acccording to the error code table can be activated by
presslng the lockout reset button for more than 3 seconds.
Pressing the reset button again for at least 3 seconds,
interface diagnostics will be activated
The followlng sequence activates the diagnostics of Ihe
cause of fault: