Diagnosing And Troubleshooting; Communication Troubleshooting; Device Status Icons - Siemens SITRANS LR200 7ML5422 Operating Instructions Manual

Diagnosing and troubleshooting

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
2. Verify that the wiring connections are correct.
3. See the table below for specific symptoms.
Symptom
The device cannot be programmed via the
handheld programmer.
You try to set a SITRANS LR200 parameter via
remote communications but the parameter re-
mains unchanged.
If you continue to experience problems, go to our website at: www.siemens.com/LR200
(www.siemens.com/LR200), and check the FAQs for SITRANS LR200, or contact your
Siemens representative.
9.2

Device status icons

Icon
SITRANS LR200 with mA/HART
Operating Instructions, 05/2019, A5E32337676-AE
detailed list.
Priority Meaning
Level
1
Maintenance alarm
•
Measurement values are not valid
•
2
Maintenance warning: maintenance demanded immediately
•
Measured signal still valid
•
Corrective action
Ensure Write protect (6.2.1.) (Page 134) is set
•
to the unlock value.
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.
9
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