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:
Fault position
On
EK
> 3 s
Red blink code of signal lamp (LED)
2 blinks ● ●
3 blinks ● ● ●
4 blinks ● ● ● ●
5 blinks ● ● ● ● ●
6 blinks ● ● ● ● ● ●
7 blinks ● ● ● ● ● ● ●
8 blinks ● ● ● ● ● ● ● ●
9 blinks ● ● ● ● ● ● ● ● ●
10 blinks ● ● ● ● ● ● ● ● ● ●
During the time the cause of fault is diagnosed, the control outputs are deactivated.
- burner remains shut down.
- La segnalazione di allarme «AL» è sul morsetto 10 che è sotto tensione
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).
Fault position
Visual diagnosis
Flashing
Error code table
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Error code table
Possible cause
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
Free
Extraneous light on burner startup
Free
Free
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
Time supervision oil preheater
Free
Wiring fault or internal fault, output contacts, o-ther faults
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Fault position
Interface diagnosis
PC / analyzer
EK
> 3 s
Reset
EK
< 3 s