98 ST 800 Pressure Transmitter User’s Manual Revision 15
7 Troubleshooting
7.1 Overview
Troubleshooting involves responding to error messages, primarily displayed by the HVC. Error messages
that may occur on the transmitter’s local display are fairly self-explanatory and intuitive. However, this
section covers the diagnostic messages that indicate critical conditions. Other than the critical conditions,
additional detail is not provided. If you require assistance, contact your distributor or Honeywell
Technical Support. All other messages are covered by the Honeywell Versatilis Configurator User
Manual, #34-ST-25-70.
7.2 Critical Diagnostics Screens
When a Critical Diagnostic is present in the transmitter, the advanced display will show one or more of
the screens pictured in Figure . These screens will be inserted into the normal screen rotation and
displayed between the user-defined operator screens. A description of the diagnostic conditions is given
Table 22, along with suggested actions for resolving the problem.
Figure 29 – Local Display Fault Diagnostic Conditions
The basic display will display the message Critical Diag on the top line of the LCD and the appropriate
diagnostic text on the lower line.
7.2.1 Fault Conditions and Recommended Corrective Actions
Table 22 – Fault Conditions and Recommended Corrective Actions.
Use a HART, DE, or FF
communicator to read the detailed
status information from the
transmitter. Refer to the appropriate
communicator manual to get more
information
about the possible causes of the failure.
Use a HART, DE, or FF
communicator to read the detailed
status information from the
transmitter. Refer to the appropriate
communicator
manual for more information about
the possible failure causes.
Cycle power to the transmitter.
If the problem continues to occur
replace the electronics module.
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