Ferroli SUN M 50 Mode D'emploi, Installation Et Entretien page 48

Diagnostics
Indication of operating status
During starting, an indication of the status is provided according to the following table:
Condition
"tw" standby conditions, other inter-
mediate states
Ignition phase, controlled ignition
Operation, fl ame o.k
Operation, fl ame not o.k.
Parasitic light at start of burner
Undervoltage
Fault, alarm
Error signal (see the table "Error
codes")
Interface diagnosis
...... Continuous on
❍
No light
Troubleshooting
Intermittent mode
of "AL" red indicator (LED)
2 fl ashes
h h
3 x fl ashes
h h h
48
Table of colour codes for the multicolour indicator (LED)
❍........................................
● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ●
❏........................................
❏ ❍ ❏ ❍ ❏ ❍ ❏ ❍ ❏ ❍
❏ ❏
● ●
.......................................
❍ ❍
●
❏
After a shutdown the red indicator lamp is on fixed. Troubleshooting is carried out using the information on
the flash code taken from the following table:
Lamp lit
Table of error codes
at
terminal 10
On
No fl ame signal at end of safety time "TSA"
- Faulty fuel valves
- Flame detector fault
- Faulty burner adjustment, no fuel
- No ignition, faulty ignition transformer
On
"LP" faulty
- Loss of air pressure signal after "t10"
- "LP" is fi xed in normal position
Cod. 35447686 - 04/2008 (Rev. 00)
Colour code
❏ ❏ ❏
● ● ●
❍ ❍
Red
Yellow
Green
Press the
reset
button >3s
Possible causes
SUN M50 - M70
Colour
No light
Yellow intermittent
Green
Green intermittent
Green - Red
Yellow - Red
Red
Red Intermittent
Red fast fl ashing
Flashing
code Off
Flashing
code
GB