Troubleshooting; What To Do First - GE FVP110 Maintenance Manual

Troubleshooting

What to Do First

When a problem occurs, check the following first.
Mounting of FVP110 positioner:
❑
Is the linkage to the valve actuator correctly set up?
❑
Is the feedback lever correctly attached?
❑
Is the span of rotation angle of the position sensor against the valve stroke more than
the minimum requirement?
❑
Has 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 FVP110 positioner correctly connected to the fieldbus?
❑
Are the conductors incorrectly connected, in other words, is the plus side connected
to minus, and vice-versa?
❑
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?
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