Diagnosing and troubleshooting
10.3 General fault codes
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
173
10.3
General fault codes
Note
•
The status icon shown associated with each fault is the default icon in Condensed Mode.
•
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 Reminder 1 (Required) (4.2.5.).
Replacement is recommended.
S: 4
Device is nearing its lifetime limit according to
the value set in Reminder 2 (Demanded)
(4.2.6.).
Replacement is recommended.
S: 6
Sensor is nearing its lifetime limit according to
the value set in Reminder 1 (Required) (4.3.5.).
Replacement is recommended.
S: 7
Sensor is nearing its lifetime limit according to
the value set in Reminder 2 (Demanded)
(4.3.6.).
Replacement is recommended.