Calling up acknowledged fault messages
Press the following keys:
1.
d
for approx. 3 s.
2.
a
/
b
for the acknowledged fault.
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.
Press the following keys:
1.
G
+
d
simultaneously for
approx. 2 s.
2.
a
/
b
for individual fault
codes.
3.
Note
All saved fault codes can be
deleted with
e
.
4.
d
Scanning is completed.
Fault codes
Fault code
on the dis-
play
System character-
istics
Cause
Measures
0F
Control mode
Maintenance
Service the equipment.
After the service, set
coding address "24:0".
10
Regulates as if the
outside temperature
was 0 °C
Outside tempera-
ture sensor
shorted out
Check the outside tem-
perature sensor (see
page 74).
18
Regulates as if the
outside temperature
was 0 °C
Outside tempera-
ture sensor lead
broken
Check the outside tem-
perature sensor (see
page 74).
Fault display
(cont.)
68
Troubleshooting
5692
779
GB
Содержание VITOLADENS333-F
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