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Chapter 15
Maintenance and Troubleshooting
15.1
About this chapter
This chapter provides information and techniques for Model 3711 system maintenance and
troubleshooting. Topics include:
•
Troubleshooting the connection between ROCLINK 800 and the Model 3711 – see
Section 15.2
•
Debugging ROCLINK 800 communications – see Section 15.3
•
Dial-up modem and FCC compliance – see Section 15.4
•
Diagnostic monitoring – see Section 15.5
•
Low power shutdown mode – see Section 15.6
•
MPU loading – see Section 15.7
•
Backup battery – see Section 15.8
•
Automatic self-tests – see Section 15.9
•
Status alarms – see Section 15.10
•
Checking process variables and test points – see Section 15.11
•
Checking slug flow – see Section 15.12
•
Checking the characterization – see Section 15.13
•
Checking the calibration – see Section 15.14
•
Diagnosing wiring problems – see Section 15.15
•
Checking the test points – see Section 15.16
•
Checking the core processor – see Section 15.17
•
Checking sensor pins – see Section 15.18
15.2
Troubleshooting the connection between ROCLINK 800 and the Model 3711
If you are having trouble connecting from ROCLINK 800 to the Model 3711:
1. Check the cable and wiring.
2. Reboot the PC and retry.
15.3
Debugging ROCLINK 800 communications
To view data sent and received by ROCLINK 800, click
Communications Monitor window is opened. Data bytes of all subsequent messages are displayed, in
hexadecimal format.
The Communications Monitor window will be empty when first opened. To use this function, first
open the window, then perform the operation that you are trying to debug.
Configuration and Use Manual
Utilities > Debug Communications
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Table of Contents
Troubleshooting
