Diagnosing and troubleshooting
10.3 General fault codes
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
173
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 (Faul
t 52). These are indicated with
an asterisk (*).
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.
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