Appendix B: Troubleshooting; Communication Troubleshooting - Siemens Sitrans LR200 Instruction Manual

Appendix B: Troubleshooting

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
detailed list.
2) Verify that the wiring connections are correct.
3) See the table below for specific symptoms.
Symptom
The device cannot be pro-
grammed via the handheld pro-
grammer.
You try to set a SITRANS LR200
parameter via remote communi-
cations but the parameter
remains unchanged.
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 Milltronics representative.
7ML19985JP02
Corrective action
• Ensure Write Protect (6.2.1.) on page 110 is set to the unlock
value.
• Ensure Write Protect (6.2.1.) on page 110 is set to the unlock
value, then try setting the parameter via the handheld pro-
grammer.
• Ensure Access Control (6.1.1.) on page 109 is set to Read/
Write.
• Some parameters can be changed only when the device is
not scanning. Try pressing Mode
PROGRAM mode.
SITRANS LR200 (HART) – INSTRUCTION MANUAL
General Fault Codes
on page 115 for a
to put the device into
Page 113