102
Weather-compensated control unit
If there is a fault, the red fault indicator
A
flashes.
" "
flashes on the display
and
"Fault"
is shown.
R
0
1 2 3
4
bar
A
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 shown in the stand-
ard display of the short menu.
A fault messaging facility, if connected,
will be switched OFF.
If an acknowledged fault is not remedied,
the fault message will be re-displayed
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?"
Troubleshooting
Fault display
5457 552 GB
