5/12/2017
TECH-538/D.W.O. 23160
Page 171 of 189
Alert Codes
The alert codes are:
FF-OOS:
There is no communication in the fieldbus segment.
FF-CTR:
The position set point is calculated by the FF application.
LO-CTR:
The position set point is overridden by the ICoT (e.g.: Calibration).
FSTATE:
The ICoT is in Fault state.
NO RUN: The SP is not being calculated.
WRG_CH: The configured channel is not valid.
UNDEF:
The channel is undefined.
Diagnostic Messages
The ICoT positioner has built-in diagnostics that allow the user to identify and resolve most of
the common installation and operation problems.
lists the available messages, their meaning and recommended solutions:
Table 37:
Diagnostic Messages
Message
Meaning
Solution
Valve
position
unstable
Position is
unstable or
oscillating too
much during
calibration
Check:
The position sensor (Hall-effect sensor) connector and cable. .
See Figure 5-1 and find the connector J6 for local or remote
sensor connection for the ICoT 5400. See
Figure 6-3 and find the connectors J3 and J4 for remote
sensor connection for the ICoT 6400. The connector J2 is
used for local sensor connection for the ICoT 6400.
•
Pressure supply stability.
•
Actuator and tubing leaks.
•
Magnet assembly in correct position and tightly coupled.
•
Set-point stability.
•
Actuator/Valve assembly integrity.
•
Sources of electromagnetic noise too close to the sensor
or to the positioner cables, like AC cables for motors,
inverters, etc.
•
Perform a full auto CAL.
•
Call Westlock- for additional support.
Position
sensor rail
error
Position error
during PID
calibration
Check:
The position sensor (Hall-effect sensor) connector and cable. See
Figure 5-1 and find the connector J6 for local or remote sensor
connection for the ICoT 5400. See
Figure 6-3 and find the connectors J3 and J4 for remote
sensor connection for the ICoT 6400. The connector J2 is
used for local sensor connection for the ICoT 6400.
•
Pressure supply stability.
•
Actuator and tubing leaks.
•
Perform a full auto CAL.
•
Call Westlock- for additional support.