Honeywell SmartLine STIW400 User Manual page 60

7. Operation
7.2. Transmitter PV display
Transmitter display
'U' Status
'U' Status
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48 SmartLine Wireless Temperature and Universal I/O User's Manual
OneWireless User
Interface display
Excess Span
Calibration
Excess Calibrated
Range
Calibration Cleared
Definition
The calibrated upper
and lower trim has
produced a span that is
greater than 5% of the
characterized span of
the transmitter.
The selected
calibration points used
for upper and lower
trim are outside the
characterized range of
the transmitter.
Indicates that both the
upper and lower trim
points as well as the
zero offset has been
cleared. The calibration
source is none.
What to do
Clear Calibration
Or
Set Factory Calibration
Or
Check the applied trim points
and re-attempt lower and
upper (trim) calibration.
Check that the upper and
lower trim points are both
within the characterized range
of the transmitter and re-
attempt upper and lower (trim)
calibration.
Calibration the zero offset
Or
Calibrate using the lower and
upper trim points.
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