67
Weather-compensated control unit
In the event of a fault, red fault indicator
A
flashes.
" "
flashes on the display and
"Fault"
is shown.
A B
C
Fig. 30
Press
OK
to display the fault code.
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.
■
Any fault message facility connected will be switched
off.
■
If an acknowledged fault is not remedied, the fault
message will be redisplayed the following day and
the fault message facility restarted.
Calling up acknowledged faults
In the standard menu, select
"Fault"
. Current faults
will be listed.
Calling up fault codes from the fault memory (fault
history)
The 10 most recent faults (including those remedied)
are saved and can be called up.
Faults are sorted by date.
1.
Press
OK
and
å
simultaneously for approx. 4 s.
2. "Fault history"
3. "Display?"
Deleting the fault history
1.
Press
OK
and
å
simultaneously for approx. 4 s.
2. "Fault history"
3. "Delete?"
Constant temperature control unit
In the event of a fault, red fault indicator
A
flashes.
The 2-digit fault code and (subject to the type of fault)
" "
or
" "
flash on the programming unit display.
A B
C
Fig. 31
Use / to display other current faults. For an explana-
tion of the fault codes, see the following pages.
1
5 0
ã
Fig. 32
Example: Fault message "50"
Acknowledge a fault
Press
OK
. The default display reappears on the dis-
play screen.
Troubleshooting
Fault display
5839829
Diagnosis
