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5
Troubleshooting
If a malfunction occurs, the display symbols will indicate an error code.
WARNING!
Electric shock!
Upon opening the housing, live parts are exposed!
Î Always disconnect the controller 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.
fuse holder
22
Operating control lamp flashes red. The symbol ☍ is indicated on the display
and the symbol ⚠ flashes.
Sensor fault. An error code instead of a temperature is shown on the sensor
display channel.
888.8
Cable is broken. Check the cable.
Disconnected temperature sensors can be checked with an ohmmeter. Please
check the resistance values correspond with the table.
°C °F
Ω
Pt1000
-10
14
961
-5
23
980
0
32
1000
5
41
1019
10
50
1039
15
59
1058
20
68
1078
25
77
1097
30
86
1117
35
95
1136
40
104
1155
45
113
1175
50
122
1194
Resistance values of Pt1000 sensors
- 88.8
Short circuit. Check the cable.
°C °F
Ω
Pt1000
55
131
1213
60
140
1232
65
149
1252
70
158
1271
75
167
1290
80
176
1309
85
185
1328
90
194
1347
95
203
1366
100 212
1385
105 221
1404
110 230
1423
115 239
1442
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