KROHNE SU 600 EN - Manual (Page 27)

7 Maintenance and fault rectification
7.1 Maintenance
When used as directed in normal operation, SU 600 is
completely maintenance-free.
7.2 Fault rectification
SU 600 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 - 4 … 20 mA signal conditioning 27
Maintenance and fault rectification
30652
-EN
-050525