User's Manual
Table Of Contents
- 8 Parameter reference
- 9 Service and maintenance
- 10 Diagnosing and troubleshooting
- 11 Technical data
- 12 Dimension drawings
- 12.1 Threaded horn antenna
- 12.2 Threaded horn antenna with extension
- 12.3 Flanged horn antenna
- 12.4 Flanged horn antenna with extension
- 12.5 Flanged encapsulated antenna (2"/DN50/50A sizes only)
- 12.6 Flanged encapsulated antenna (3"/DN80/80A sizes and larger)
- 12.7 Threaded PVDF antenna
- 12.8 Threaded connection markings
- 12.9 Raised-Face flange per EN 1092-1 for flanged horn antenna
- 12.10 Raised-Face flange per EN 1092-1 for flanged encapsulated antenna
- 12.11 Flat-Face flange
- 12.12 Process connection tag (pressure rated versions)
- A Appendix A: Technical reference
- B Appendix B: HART communications
- C Appendix C: Certificates and support
- 13 List of abbreviations
- 14 LCD menu structure
- Glossary
- Index
Diagnosing and troubleshooting
10.3 General fault codes
SITRANS LR250 (HART)
174 Operating Instructions, 01/2014, A5E32220602-AB
10.3
General fault codes
Note
•
If more than one fault is present, the device status indicator and text for each fault
alternate at 2 second intervals.
•
Some faults cause the device to go to Fail-safe mode (Fault 52).
These are indicated with
an asterisk (*).
Code/
Icon
Meaning
Corrective Action
S: 0
* The device was unable to get a measurement
within the Fail-safe LOE Timer period. Possible
causes: faulty installation, antenna material
buildup, foaming/other adverse process
conditions, invalid configuration range.
• Ensure installation details are correct.
• Ensure no antenna material buildup. Clean if
necessary.
• Adjust process conditions to minimize foam or other
adverse conditions.
• Correct configuration range.
• If fault persists, contact your local Siemens
representative.
S: 2
* Unable to collect profile because of a power
condition that is outside the operating range of
the device.
Repair required: contact your local Siemens
representative.
S: 3
Device is nearing its lifetime limit according to
the value set in Maintenance Required Limit.
Replacement is recommended
S: 4
Device is nearing its lifetime limit according to
the value set in Maintenance Demanded Limit.
Replacement is recommended.
S: 6
Sensor is nearing its lifetime limit according to
the value set in Maintenance Required Limit.
Replacement is recommended.
S: 7
Sensor is nearing its lifetime limit according to
the value set in Maintenance Demanded Limit.
Replacement is recommended.
S: 8
Service interval as defined in Maintenance
Required Limit has expired.
Perform service.