Siemens SITRANS LG260 Operating Instructions Manual page 55

Code Cause
Text mes-
sage
S602 – Compensation echo super-
imposed by medium
Level with-
in the search
range, com-
pensation
echo
S603 – Operating voltage below
specified range
Impermissible
operating volt-
age
Maintenance
Code Cause
Text mes-
sage
M500 – With the reset to delivery
status, the data could not be
Error in the de-
restored
livery status
M501 – Index markers are not con-
tinuously rising, for example
Error in the
illogical value pairs
non-active
linearization
table
M502 – Hardware error EEPROM
Error in the
event memory
M503 – Measurement certainty is
too low for a reliable meas-
Meas. reliabil-
urement
ity too low
– Process component or
probe contaminated or
defective
M504 – Hardware defect
Error on an
device inter-
face
M505 – Sensor does not detect an
echo during operation
no measured
value avail-
able
– Process component or
probe contaminated or
defective
PBD-51041057
Rectification
– 100 % adjustment: Increase
value
– Check electrical connection
– If necessary, increase oper-
ating voltage
The following table shows the error codes and text messages in the
status message "Maintenance" and provides information on causes
as well as corrective measures.
Rectification
– Repeat reset
– Load XML file with sensor
data into the sensor
– Check linearization table
– Delete table/Create new
– Exchanging the electronics
– Send instrument for repair
– Check installation and
process conditions
– Clean or exchange process
component or probe
– Exchanging the electronics
– Send instrument for repair
– Check and correct instal-
lation and/or parameter
adjustment
– Clean or exchange process
component or probe
SITRANS LG260 - Operating Instructions
DevSpec State in CMD 48
Bit 10 of Byte 14 ...24
Bit 11 of Byte 14 ...24
DevSpec State in CMD 48
Bit 0 of Byte 14 ... 24
Bit 1 of Byte 14 ... 24
Bit 2 of Byte 14 ... 24
Bit 3 of Byte 14 ... 24
Bit 4 of Byte 14 ... 24
Bit 5 of Byte 14 ... 24
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