5/12/2017
TECH-538/D.W.O. 23160
Page 105 of 189
9
Maintenance and Repair
Diagnostics
The ICoT was developed with some internal mechanisms of failure diagnostics to prevent and fix
problems that can appear in any phase of a valve setup application, from commissioning to run-time.
From the Local display to asset management systems, the ICoT can help the user with useful
diagnostics, as explained in the following sections.
Local Display Messages
When the ICoT is running in normal operation (no failure diagnostic is detected), the local ICoT display
looks like the following picture:.
Figure 9-1– ICoT Local Display showing device in normal operation
Run-time messages:
The messages in the “FF-CTR” position indicate the source of the SP as following:
•
FF-CTR: Function Block (AO) as in the previous picture;
•
LO-CTR: Local Override: the manual stroke functions are used;
•
FSTATE: The AO.SP is different from “good”. The FINAL_VALUE goes to the fault_state value;
•
UNDEF: The transducer block is not updating the internal servo control set point.
•
FF-OOS: The internal SP is not updated. The last servo control set point
The messages in the “OK” position are part of a list of alert codes that inform the user about operation and error
conditions. The complete list of alert codes and their meaning are available in Section 11.6 (Alert Codes).
Calibration messages and diagnostics:
Please check Section 11.7 (Diagnostic Messages) for the complete reference of messages and troubleshooting
actions.
Westlock Controls
ICoT FF Rev 4.1.0
25.5
°
C
R %PS 50.0 %SP 50.0
FF-CTR
OK
