31
YT-3400/3450 series
7.2
Warning code
Warning
Code
Description
Action
B
Pv Span – Pv Zero range is below 500.
The angle of feedback lever is too small.
Re-install the positioner.
Ensure the feedback lever does not
touch the lever stopper at 0% and
100%.
After re-installation, perform AUTO1.
F
Full open/close elapsed time is less
than 1 second.
Actuator size is too small.
Use variable orifice.
Use larger actuator.
G
Pv is below 100.
The angle of feedback lever is too large.
Re-install the positioner.
Ensure the feedback lever does not
touch the lever stopper at 0% and
100%.
After re-installation, perform AUTO1
H
Pv is over 4000.
The angle of feedback lever is too large.
Re-install the positioner.
Ensure the feedback lever does not
touch the lever stopper at 0% and
100%.
After re-installation, perform AUTO1