User's Manual

Table Of Contents
7ML19985JM01 SITRANS LR 460 – INSTRUCTION MANUAL Page 88
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G: Troubleshooting
General Fault Codes
Note: Some faults cause the device to go to Failsafe mode (Fault 52). These are
indicated with an asterisk (*).
LCD
display
Meaning Corrective Action Byte Bit
S:0
The device was unable to get
a measurement within the
Failsafe timer period.
Possible causes: faulty
installation, material
buildup,and/or presence of
foam.
Ensure installation details
are correct. Ensure no
material buildup. Adjust
process conditions to
minimize foaming. If problem
persists, contact your local
Siemens representative.
0
0
S:2
Internal electronics failure.
Reset power. If fault
persists,contact your local
Siemens representative:
repair required.
2
S:3
Device is nearing its lifetime
limit according to the value
set in Maintenance Required
Limit.
Replacement is
recommended.
3
S:4
Device is nearing its lifetime
limit according to the value
set in Maintenance
Demanded Limit.
Replacement is
recommended.
4
S:6
Sensor is nearing its lifetime
limit according to the value
set in Maintenance Required
Limit.
Replacement is
recommended.
6
S:7
Sensor is nearing its lifetime
limit according to the value
set in Maintenance
Demanded Limit.
Replacement is
recommended.
7