Error in analog output, Bulletin f-107-uxf3 – Dwyer UXF3 User Manual
Page 126
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6.6.5. Error in analog output
Status Probable
cause
Troubleshooting
Current output is not
matched.
Range setting is wrong.
z Set the range correctly.
Not 4mA when
measurement value is 0.
Analog output is misadjusted.
z Perform analog output calibration.
Output is 0mA.
Break of wiring
Output rises beyond
20mA.
“OVER FLOW” appears on the LCD.
Range over
z Recommence setting of range data of
analog output.
The output becomes
lower than 4mA.
“UNDER FLOW” appears on the LCD.
Back flow
z Set upper/lower stream properly.
Indication is changed but
analog output remains
the same.
The output load is 1 k
ȍ or more.
z It must be less than 1 kȍ.
Indication does not agree
with analog output.
Analog output is misadjusted.
z Perform analog output calibration.
Analog output doesn’t
change even after it has
been adjusted.
Hard failure
z Contact manufacture for service.
Bulletin F-107-UXF3