Samson 3730-2 - Page 99

EB 8384-2 EN 99
Operating the positioner
Select manual mode ( ):
1. Turn untilCode0appears.
2. Press
, the code number 0 blinks.
3. Turn
until MAN appears.
4. Press
. The positioner changes to the
manual mode (
).
Operating mode
Default: MAN
Check the operating range:
5. Turn untilCode1appears.
6. Press , the code number 1 and icon
blink.
7. Turn until the pressure in the positioner
builds up and the control valve moves to its
nalpositionssothatthetravel/anglecan
be checked.
The angle of rotation of the lever on the
back of the positioner is indicated.
A horizontal lever (mid position) is equal to
0°.
Manual set point w
(current angle of
rotation is indicated)
To ensure the positioner is working properly, the outer bar elements must not blink while the
valve is moving through the operating range.
ExitCode1bypressingtherotarypushbutton( ).
The permissible range has been exceeded when the displayed angle is more than 30° and
the outer right or left bar element blinks. The positioner goes to the fail-safe position (SAFE).
Aftercancelingthefail-safeposition(SAFE)(seesection7.11.2)itisabsolutely essential that
youchecktheleverandpinpositionasdescribedinsection5.
Risk of injury due to the actuator stem extending or retracting.
Before exchanging the lever or changing the pin position, disconnect the supply air and
electrical auxiliary power.
WARNING
!