User's Manual

Diagnosing and troubleshooting
10.2 General fault codes
SITRANS LR250 (FOUNDATION FIELDBUS)
190 Operating Instructions, 01/2014, A5E32221411-AB
10.2
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.
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 as defined in
Remaining Lifetime (4.2.3.)
and has triggered a
Maintenance Required reminder (4.2.5.)
.
Replacement is recommended
S: 4 Device is nearing its lifetime limit as defined in
Remaining Lifetime (4.2.3.)
and has triggered a
Maintenance Demanded reminder (4.2.6.)
.
Replacement is recommended.
S: 6 Sensor is nearing its lifetime limit as defined in
Remaining Lifetime (4.3.3.)
and has triggered a
Maintenance Required reminder (4.3.5.)
.
Replacement is recommended.
S: 7 Sensor is nearing its lifetime limit as defined in
Remaining Lifetime (4.3.3.)
and has triggered a
Maintenance Demanded reminder (4.3.6.)
.
Replacement is recommended.
S: 8
Service interval (4.4.1.)
has expired and has
triggered a
Maintenance Required reminder
(4.4.5.)
.
Perform service.
S: 9
Service interval (4.4.1.)
has expired and has
triggered a
Maintenance Demanded reminder
(4.4.6.)
.
Perform service.