© 2019 Baker Hughes, a GE company, LLC. All rights reserved.
Masoneilan SVI FF Instruction Manual
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Appendix D. Troubleshooting
What to Do First
When a problem occurs, check the following first.
Mounting of SVI FF positioner:
Is the linkage to the valve actuator correctly set up?
Is the feedback lever correctly attached, if applicable?
Is the span of rotation angle of the position sensor against the valve stroke less than
the minimum requirement?
Have find stops and auto tuning been performed after installation?
Air Piping:
Are the air pipes correctly connected? Is there no leak of air?
Is the air supply pressure high enough to drive the valve?
Is the A/M selector on the positioner set to A (automatic)?
Wiring:
Is the SVI FF positioner correctly connected to the fieldbus?
Has the power to the fieldbus been turned on? Is the terminal-to-terminal voltage equal
to or greater than 9 V?
Is the terminator correctly installed?
Is a host system connected to the fieldbus (prior to scheduling only)?
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