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Diagnostics of the cause of fault
After lockout, the red fault signal lamp remains steady on. In that condition, the visual diagnostics of the cause of fault according 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, the interface diagnostics will be activated. Interface di-agnostics works only if the AGK20… lockout reset button
extension is not fitted. For more detailed information, refer to Data Sheet N7614. The following sequence activates the diagnostics of
the cause of fault:
Error code table
Red blink code of signal lamp (LED) Possible cause
2 blinks ● ●
No establishment of flame at the end of «TSA»
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner, no fuel
- Faulty ignition equipment
3 blinks ● ● ●
Free
4 blinks ● ● ● ●
Extraneous light on burner startup
5 blinks ● ● ● ● ●
Free
6 blinks ● ● ● ● ● ●
Free
7 blinks ● ● ● ● ● ● ●
Too many losses of flame during operation (limi-tation of the number of repetitions)
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner
8 blinks ● ● ● ● ● ● ● ●
Time supervision oil preheater
9 blinks ● ● ● ● ● ● ● ● ●
Free
10 blinks ● ● ● ● ● ● ● ● ● ●
Wiring fault or internal fault, output contacts, o-ther faults
EK
> 3 s
Flashing
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
Error code table
EK
> 3 s
Inte rface diagn osis
PC / analyzer
O
C
I4
00
EK
< 3 s
7130
z04e
/0800
Reset
O n
Visual diagnosis
Fault position
Fault position
Fault position
During the time the cause of fault is diagnosed, the control outputs are deactivated.
- burner remains shut down.
- The alarm signal AL “is on terminal 10 which is under voltage
The diagnostics of the cause of fault is quit and the burner switched on again by reset-ting the burner control.
Press the lockout reset button for about 1 second (< 3 seconds).
