Smart valve positioner
SP740 Series
9. Error and Warning Code
9.1 Error code
It is indicated when positioner's control is imposssible or any incorrect operation is expected.
AIR CHK
ERROR_01
Indicates that valve does not move
even in FULL OPEN signal of the
positioner in auto calibration mode. In
the case, Auto Calibration stops and the
code is displayed on LCD. To release,
use ESC button and take action steps.
AIR CHK
ERROR_02
Indicates that the positioner's angle is
small(AD value: below 500 ). In the
error code case, Auto Calibration stops
and the code is displayed on LCD. Use
ESC button when requiring release and
take action steps.
Re-install the positioner's angle to
normal degrees and execute AUTO
PV.
While using products , if there is any problems, Error code can be checked in LCD monitior and
warning code can be checked in VIEW mode.
Error Code
Error contents and cause
Action
air pressure is normal or not
be supplied normally .
and take action that they may
Check that positioner's supplying
37/40
* An error code is immediately displayed on LCD monitor and the measures should be taken
after releasing an error with ESC button.
AIR CHK
ERROR_03
Indicate that PV is set 100 and lower. In
the error happending case, Auto
Calibration stops and the code is
displayed on LCD. To release, use ESC
button and take action steps.
Re-install to maintain the positioner
lever from 50% to horizontal and
execute AUTO PV.
AIR CHK
ERROR_04
Indicate that PV is set 400 and higher.
In the error happening case, Auto
Calibration stops and the code is
displayed on LCD. To release, use ESC
button and take action steps.
AIR CHK
ERROR_02
Indicates that the positioner's angle is
small(AD value: below 500 ). In the
error code case, Auto Calibration stops
and the code is displayed on LCD. Use
ESC button when requiring release and
take action steps.
Re-install the positioner's angle to
normal degrees and execute AUTO
PV.
37/40
