User's Manual

Table Of Contents
7ML19985JE03 SITRANS LR250 (HART) INSTRUCTION MANUAL Page 119
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B: Troubleshooting
General Fault Codes
•Data exchanged
No data exchange
Write access enabled
Write access disabled
Notes:
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 (*).
General Fault Codes
Code /
Icon
Meaning Corrective Action
S: 0
*
The device was unable to get a measure-
ment within the Fail-safe LOE Timer period.
Possible causes: faulty installation,
antenna material buildup, foaming/other
adverse process conditions, invalid calibra-
tion 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 range calibration.
If fault persists, contact your local Sie-
mens representative.
S: 2
*
Unable to collect profile because of a
power condition that is outside the operat-
ing range of the device.
Repair required: contact your local Sie-
mens representative.
S: 3
Device is nearing its lifetime limit according
to the value set in Maintenance Required
Limit.
Replacement is recommended.
Icon
Priority
Level
Meaning (cont’d)