Diagnoses of the causes of malfunction and lock-out
If there is a burner lock-out, there will be a continuous red light on at the release button. The diagnostics
will be activated by pressing for more than 3 seconds (rapid flashing red light). The table below shows
the meanings of the malfunction or lock-out diagnoses with the number of flashes (red flashing). The
diagnosis function is stopped by pressing the release button for at least 3 seconds.
Optical indication
2 flashes
3 flashes
4 flashes
5 flashes
6 flashes
7 flashes
8 flashes
9 flashes
10 flashes
During the time the cause of fault is diagnosed, the control outputs are deactivated.
- Burner remains shut down
- Fault status signal «AL» at terminal 10 is activated
The diagnosis of the cause of fault is quit and the burner switched on again by resetting the burner control. Press lock-out reset
button for about 1 second (< 3 seconds).
Fault summary
"AL" on terminal board 10
On
On
On
On
On
On
On
On
Off
0006080951_201401
Possible Cause
No flame signal at the end of the safety interval.
"TSA"
- Fuel valves malfunction
- Flame detector malfunction
-Defective burner calibration, no fuel
- No ignition, faulty ignition transformer
Available
Stray light during the ignition phase
Available
Available
No flame signal during normal working,
ignition repetition (restriction of the number of repetitions, max. 3
- Fuel valves fault or poor ground connection
- Flame detector fault or poor ground connection
- Defective burner calibration
- Fuel pre-heating time fault
Available
Electrical cabling problem or internal damage to the device
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