Maintenance / 11. faults, Maintenance, Faults – WIKA T24 Benutzerhandbuch
Seite 28
GB
28
WIKA operating instructions temperature transmitter, model T24
2370242.09 08/2013 GB/D
10. Maintenance
The temperature transmitter described in these operating instructions
is maintenance-free!
The electronics are completely encapsulated and incorporate no
components which could be repaired or replaced.
Repairs must only be carried out by the manufacturer.
11. Faults
10. Maintenance / 11. Faults
l = 0 mA
Current loop disconnected
Power supply connected
incorrectly (wrong polarity)
Transmitter not connected
Process temperature out of range
Sensor burnout
Wrong transmitter configuration
l > 20 mA
Fault-tree
Terminals are
reversed
Wrong transmitter configuration
Process temperature out of
range
Sensor break or short circuit
Jumper is missing
(2-wire connection)
l < 4 mA
Sensor connected incorrectly