Operating Instructions

Table Of Contents
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 condi‐
tions, 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 Re‐
quired Limit has expired.
Perform service.
S: 9 Service interval as defined in Maintenance De‐
manded Limit has expired.
Perform service.
S: 11 Internal temperature sensor failure. Repair required: contact your local Siemens representative.
S: 12 Internal temperature of device has exceeded
specifications: it is operating outside its temper‐
ature range.
Relocate device and/or lower process temperature
enough to cool device.
Inspect for heat-related damage and contact your local
Siemens representative if repair is required.
Fault code will persist until a manual reset is performed
using SIMATIC PDM or the LCD interface.
S: 17 Calibration interval as defined in Maintenance
Required Limit has expired.
Perform calibration.
Diagnosing and troubleshooting
10.3 General fault codes
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG 161