KROHNE SU 600 Ex EN - Manual (Page 23)

7 Maintenance and fault rectification
7.1 Maintenance
When used as directed in normal operation, SU 600 Ex is
completely maintenance-free.
7.2 Fault rectification
SU 600 Ex offers maximum reliability. Nevertheless faults can
occur during operation. These may be caused by the following,
e.g.:
l
Measured value of the sensor not correct
l
Power supply
l
Interference on the cables
The first measures to be taken are to check the input/output
signals as well as to evaluate the error messages via the
display. The procedure is described below. In many cases, the
causes can be determined in this way and faults can be
rectified.
?
E003
l CRC-error
à
Carry out a reset
à
Return instrument for repair
?
E014
l Short-circuit
à
Eliminate short-circuit
à
If necessary, exchange defective sensor
?
E015
l Line break
à
Repair sensor cable or replace it
à
Check sensor connection
Causes of malfunction
Fault rectification
Fault messages
SU 600 Ex - 4 ... 20 mA signal conditioning 23
Maintenance and fault rectification
30653
-EN
-050803