SUN G50 - G70
35
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Shutdown
status
Shutdown
status
Shutdown
status
Visual fault diagnosis
Blinking
Fault codes
Opening
Fault table
Possible cause
2 blinks
3 blinks
4 blinks
5 blinks
6 blinks
7 blinks
8 blinks
9 blinks
10 blinks
Red light blinking
Free
Free
Faults with the wiring or inside the unit
Free
Free
Free
No flame during operation
1 fault with the fuel valves
2 fault with the photo-cell
3 no oil, wrong burner setting
No flame at the end of the safety time
1 fault with the fuel valves
2 fault with the photo-cell
3 no oil, wrong burner setting
Foreign light during pre-ventilation
“
AL
”
to the
terminal 10
On
On
On
On
On
On
On
On
Off
Fault Diagnosis
After shutdown, the red light stays on.
In this condition, after pressing the unit’s release button for at least 3 seconds, visual fault diagnosis is
activated (see fault tables).
On pressing the release button again for at least 3 seconds, interface fault diagnosis is activated .
During the check on the causes of the shutdown, the unit’s outputs are turned off.
The burner stays off.
Press the release button for approximately 1 second to reset the unit and restart the burner.
