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9
Troubleshooting
If a malfunction occurs, a message will appear on the
display of the controller.
fuse
WARNING!
Electric shock!
Upon opening the housing, live parts
are exposed!
Î Always disconnect the con-
troller from power supply
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.
Directional pad flashes red. The symbol
dicated on the display and the symbol
Sensor fault. An error code instead of a tem-
perature is shown on the sensor display channel.
888.8
- 88.8
Cable is broken.
Short circuit.
Check the cable.
Check the cable.
Disconnected Pt1000 temperature sensors can
be checked with an ohmmeter. Please check the
resistance values correspond with the table.
Ω
Ω
Ω
°C °F
°C °F
Pt500
Pt1000
KTY
-10
14
481
961
1499
-5
23
490
980
1565
0
32
500
1000
1633
5
41
510
1019
1702
10
50
520
1039
1774
15
59
529
1058
1847
20
68
539
1078
1922
25
77
549
1097
2000
30
86
559
1117
2079
35
95
568
1136
2159
100 212
40
104
578
1155
2242
105 221
45
113
588
1175
2327
110 230
50
122
597
1194
2413
115 239
The directional pad is permanently off.
is in-
flashes.
Check the power supply of the controller. Is it
disconnected?
no
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.
Ω
Ω
Ω
Pt500
Pt1000
KTY
55
131
607
1213
2502
60
140
616
1232
2592
65
149
626
1252
2684
70
158
636
1271
2778
75
167
645
1290
2874
80
176
655
1309
2971
85
185
664
1328
3071
90
194
634
1347
3172
95
203
683
1366
3275
693
1385
3380
702
1404
3484
712
1423
3590
721
1442
3695
yes
Check the supply
line and reconnect it.
65
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