en
37
Adjustments
Tr
oubleshooting
Data comm
unication
Directional pad flashes red.
Sensor fault. The error code
!Sensor fault
is
displayed instead of a temperature on the sensor
display channel.
5
Troubleshooting
WARNING!
Electric shock!
Upon opening the housing, live parts are exposed!
Î
Always disconnect the controller from power sup-
ply before opening the housing!
The controller is protected by a fuse. The fuse holder (which also holds the spare
fuse) becomes accessible when the cover is removed. To replace the fuse, pull the
fuse holder from the base.
fuse
The display is permanently off.
Check the supply line and recon-
nect it.
The fuse of the controller could be
blown. The fuse holder (which holds
the spare fuse) becomes accessible
when the cover is removed. The
fuse can then be replaced.
Press button
➄
. Display illuminated?
no
yes
Controller has been in
standby, everything o.k.
Check the power supply of the controller. Is it dis-
connected?
no
yes
°C °F
Ω
Pt1000
°C °F
Ω
Pt1000
-10
14
961
55
131
1213
-5
23
980
60
140
1232
0
32
1000
65
149
1252
5
41
1019
70
158
1271
10
50
1039
75
167
1290
15
59
1058
80
176
1309
20
68
1078
85
185
1328
25
77
1097
90
194
1347
30
86
1117
95
203
1366
35
95
1136
100 212
1385
40 104
1155
105 221
1404
45 113
1175
110 230
1423
50 122
1194
115 239
1442
Short circuit or line break
Disconnected temperature sensors can be checked
with an ohmmeter. Please check if the resistance
values correspond with the table.
If a malfunction occurs, a message will appear on the display of the controller.