4.2 YAIC Specific Alarms
The following alarms are specific to the YAIC I/O pack.
32-41
Description Analog Input [ ] unhealthy
Possible Cause
• Excitation to transducer is wrong or missing.
• Transducer is defective.
• Analog input current/voltage input is beyond the specified range.
• Terminal board jumper settings do not match the ToolboxST configuration.
• Open or short-circuit on input
Solution
• Check the field wiring and connections to indicated analog input channel.
• Check the field device for failure.
• Verify that the configuration matches terminal board jumper settings for the indicated analog input channel.
44-45
Description Output [ ] individual current feedback unhealthy
Possible Cause
• Commanded output is beyond the range of the output.
• Field wiring problem
• Field device problem
• Open loop or too much resistance in the loop
• I/O pack failed
• Terminal board failed
Solution
• Verify that the commanded output is within the range of the output.
• Confirm the correct I/O pack 28 V input power.
• Check the field wiring and device.
• Replace the I/O pack.
YAIC Analog I/O Modules GEH-6855_Vol_II System Guide 101
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