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SITRANS LR200 with mA/HART
Operating Instructions, 05/2019, A5E32337676-AE
139
Diagnosing and troubleshooting
9
9.1
Communication Troubleshooting
1.
Check the following:
–
There is power at the instrument.
–
The LCD shows the relevant data.
–
The device can be programmed using the handheld programmer.
–
If any fault codes are being displayed see General fault codes (Page 141) for a
detailed list.
2.
Verify that the wiring connections are correct.
3.
See the table below for specific symptoms.
Symptom
Corrective action
The device cannot be programmed via the
handheld programmer.
•
Ensure Write protect (6.2.1.) (Page 134) is set
to the unlock value.
You try to set a SITRANS LR200 parameter via
remote communications but the parameter re-
mains unchanged.
•
Ensure Write protect (6.2.1.) (Page 134) is set
to the unlock value, then try setting the pa-
rameter via the handheld programmer.
•
Ensure Access control (6.1.1.) (Page 134) is
set to Read/ Write.
•
Some parameters can be changed only when
the device is not scanning. Try pressing
Mode
to put the device into PROGRAM
mode.
If you continue to experience problems, go to our website at: www.siemens.com/LR200
), and check the FAQs for SITRANS LR200, or contact your
Siemens representative.
9.2
Device status icons
Icon
Priority
Level
Meaning
1
•
Maintenance alarm
•
Measurement values are not valid
2
•
Maintenance warning: maintenance demanded immediately
•
Measured signal still valid
Содержание SITRANS LR200 7ML5422
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