Siemens SITRANS LR250 Operating Instructions Manual page 278
Radar transmitters profibus pa
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- Operating instructions manual (294 pages) ,
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- Instruction manual (175 pages)
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Appendix C: Communications via PROFIBUS
C.10 Diagnostics
LCD display
Meaning
S:0
The device was unable to get a
measurement within the Failsafe LOE
Timer period. Possible causes: faulty
installation, antenna material buildup,
foaming/other adverse process
conditions, invalid calibration range.
S:2
Unable to collect profile because of a
power condition that is outside the
operating range of the device.
S:3
Device is nearing its lifetime limit
according to the value set in
Maintenance Required Limit.
S:4
Device is nearing its lifetime limit
according to the value set in
Maintenance Demanded Limit.
S:6
Sensor is nearing its lifetime limit
according to the value set in
Maintenance Required Limit.
S:7
Sensor is nearing its lifetime limit
according to the value set in
Maintenance Demanded Limit.
S:8
Service interval as defined in
Maintenance Required Limit has expired.
S:9
Service interval as defined in
Maintenance Demanded Limit
has expired.
S:10
Input parameters High Calibration Point
and Low Calibration Point are the same.
S:11
Internal temperature sensor failure.
276
Acyclic Extended Diagnostics /General Fault Codes
Corrective Action
Ensure installation details are correct.
•
Ensure no antenna material
•
buildup. Clean if necessary.
Adjust process conditions to minimize
•
foam or other adverse conditions.
Correct range calibration.
•
If fault persists, contact your local
•
Siemens representative.
Repair required. Contact your local
Siemens representative.
Replacement is recommended.
Replacement is recommended.
Replacement is recommended.
Replacement is recommended.
Perform service
Perform service.
Check calibration settings of device.
•
Ensure settings for High Calibration
•
Point and Low Calibration Point are
different.
Repair required. Contact your local
Siemens representative.
Operating Instructions, 08/2014, A5E32221386-AC
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