Rectify Faults - Siemens SITRANS LG270 Operating Instructions Manual

Code Cause
Text mes-
sage
•
S603 Operating voltage below
specified range
Impermissible
operating volt-
age
Maintenance
Code Cause
Text mes-
sage
•
M500 The data could not be
restored during the reset to
Error in the de-
delivery status
livery status
•
M501 Index markers are not con-
tinuously rising, for example
Error in the
illogical value pairs
non-active
linearisation
table
•
M504 Hardware defect
Error at a de-
vice interface
•
M505 Sensor does not detect an
echo during operation
no measured
•
value avail-
Process component or probe
able
contaminated or defective
•
M506 Error during setup
Installation/
Setup error
•
M507 Error during setup
•
Error when carrying out a
Error in the
reset
instrument
•
False signal suppression
settings
faulty
Reaction when malfunc-
tion occurs
Procedure for fault recti-
fication
PBD-51041064
Rectification
•
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 linearisation table
•
Delete table/Create new
•
Exchanging the electronics
•
Send instrument for repair
•
Check and correct mounting
and/or parameter adjustment
•
Clean or exchange process
component or probe
•
Check and correct mounting
and/or parameter adjustment
•
Check probe length
•
Carry out reset and repeat
setup
9.4

Rectify faults

The operator of the system is responsible for taking suitable meas-
ures to rectify faults.
The first measures are:
•
Evaluation of fault messages via the adjustment device
•
Checking the output signal
•
Treatment of measurement errors
SITRANS LG270 - Operating Instructions
DevSpec State in CMD 48
Bit 11 of Byte 14 ... 24
DevSpec State in CMD 48
Bit 0 of Byte 14 ... 24
Bit 1 of Byte 14 ... 24
Bit 4 of Byte 14 ... 24
Bit 5 of Byte 14 ... 24
Bit 6 of Byte 14 ... 24
Bit 7 of Byte 14 ... 24
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