Fault Display - Viessmann VITOLADENS 300-W Installation And Service Instructions Manual

Fault display

Weather-compensated control unit
In the event of a fault, red fault indicator
A flashes. " " flashes on the display
and "Fault" is shown.
A
R
bar
The fault code is displayed with OK.
For an explanation of the fault code, see
the following pages.
For some faults, the type of fault is also
displayed in plain text.
Acknowledging a fault
Follow the instructions on the display.
Note
■ The fault message is transferred to the
standard menu.
■ A fault message facility, if connected,
will be switched off.
■ If an acknowledged fault is not rem-
edied, the fault message will be re-dis-
played the following day and the fault
message facility restarted.
Calling up acknowledged faults
Select "Fault" in the standard menu.
The current faults will be displayed in a
list.
Calling up fault codes from the fault
memory (fault history)
The 10 most recent faults (including
resolved ones) are saved and can be
scanned.
Faults are sorted by date.
1. Press OK and å simultaneously
for approx. 4 s.
2. "Fault history"
3. "Display?"
Deleting fault history
1. Press OK and å simultaneously
for approx. 4 s.
2. "Fault history"
3. "Delete?"
Troubleshooting
95