Ferroli SUN M 50, Operating, Installation And Maintenance Instructions

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