Viessmann VITOLIGNO 300-P Service Instructions Manual page 87

Fault display
■ "User fault"
■ "Door open"
■ "HSC tripped"
■ "Not ignited"
■ "No fuel"
■ "Safety chain"
Calling up fault codes from the fault memory (fault history)
The 10 most recent faults are saved and
may be scanned.
The faults are ordered by date, thus the
most recent fault is fault number 1.
Fault history
01 Outside sensor
02 Boiler sensor
03 Fault
A B
A Fault number
B Plain text display
C Fault code
Deleting the fault codes from the fault memory
Press the following keys:
1. d + MENU simultaneously for
approx. 4 s.
The "Service" menu is
displayed.
2. |/~ for "Fault history".
3. d to confirm.
(cont.)
HC1
18
20
S11
C
■ "Flue gas fan"
■ "Supply system"
■ "Grate cleaning"
■ "Prim. air damper"
■ "Sec. air damper"
■ "Combustion contr."
Press the following keys:
1. d + MENU simultaneously for
approx. 4 s.
The "Service" menu is
displayed.
2. |/~ for "Fault history".
3. d to confirm.
4. |/~ for "Display".
5. Press g repeatedly until the stand-
ard display is shown.
4. |/~ for "Delete".
5. |/~ for "Yes".
6. d to confirm.
7. Press g repeatedly until the stand-
ard display is shown.
Troubleshooting
87