Field-IQ diagnostics 19 Diagnostics
Message That Displays Explanation Possible Causes / Actions
instead. Therefore, the
actual applied rate will
probably be above the
target rate.
Rate not responding. The flow sensor indicates
that the actual flow is not
changing as expected.
Verify correct setup on the Valve
Calibration screen.
Perform a valve calibration.
Inspect feedback sensor and rate
control valve for damage.
Unstable flow control The rate and section
control module is having
difficulty maintaining the
target flow, possibly due to
an incorrect setup.
Check the Plumbing setting on the
Valve Calibration screen
Reduce Field-IQ system
aggressiveness.
Valve controller reported
over-current
Possible causes:
l Control valve is drawing too
much current.
l There is an electrical short
somewhere.
Unknown valve error This message shows if the
FM-1000 integrated display
does not understand the
fault code that was
received from the rate and
section control module.
Probably due to incompatible
firmware versions. Make sure that
the correct firmware versions and the
rate and section control module are
installed.
Report this fault to Trimble Support.
Unable to lock valve
position.
An error occurred when
attempting to lock the
position of the control
valve.
Probably due to incompatible
firmware. Make sure that the correct
firmware versions are installed on the
FM-1000 integrated display and the
rate and section control module.
Unable to start flow An error occurred when
attempting to control the
valve.
Probably due to incompatible
firmware. Make sure that the correct
firmware versions are installed on the
FM-1000 integrated displayand the
rate and section control module.
Field-IQ unknown internal
error
This message appears if the
Make sure that the correct firmware
versions are installed on the FM-1000
486 FM-1000 Integrated Display User Guide Version 9.25, Revision B
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