A Appendices
A - 18
E5@C Digital Temperature Controllers User’s Manual (H174)
Meaning
“----” will be displayed for the Valve Opening Monitor parameter if any of the following error occurs.
• Motor calibration has not been performed.
• The wiring of the potentiometer is incorrect or broken.
• The potentiometer input value is incorrect (e.g., the input is out of range or the potentiometer has
failed).
Action
Check for the above errors.
Operation
Close control: The control output is OFF or the value that is set for the MV at PV Error parameter is
output.
Floating control: Operation will be normal.
----
Potentiometer Input Error (Position-proportional Models Only)
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