Siemens SITRANS LG270 Operating Instructions Manual page 66

Maintenance
66
Code Cause
Text mes-
sage
S600 – Temperature of the elec-
tronics in the non-specified
Impermissi-
section
ble electronics
temperature
S601 – Danger of vessel overfilling
Overfilling
S603 – Operating voltage below
specified range
Impermissi-
ble operating
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.
Code Cause
Text mes-
sage
M500 – With the reset to delivery
status, the data could not
Error with the
be restored
reset delivery
status
M501 – Hardware error EEPROM
Error in the
non-active
linearization
table
M502 – Hardware error EEPROM
Error in the
diagnosis
memory
M503 – The echot/noise ratio is the
small for a reliable meas-
Reliability too
urement
low
M504 – Hardware defect
Error on an
device inter-
face
SITRANS LG270 - Operating Instructions
Rectification
– Check ambient temperature
– Isolate electronics
– Use instrument with higher
temperature range
– Make sure that there is no
further filling
– Check level in the vessel
– Check electrical connection
– if necessary, increase
operating voltage
Rectification
– Repeat reset
– Load XML file with sensor
data into the sensor
– Exchanging the electronics
– Send instrument for repair
– Exchanging the electronics
– Send instrument for repair
– Check installation and
process conditions
– Clean the antenna
– Change polarisation direc-
tion
– Use instrument with higher
sensitivity
– Check connections
– Exchanging the electronics
– Send instrument for repair
PBD-51041066