Siemens SIPART PS2 Service Manual page 61

● If there is no change with the large number on the display:
– Verify feedback connection is installed on positioner's input shaft; see photos below
– Verify potentiometer's ribbon cable is plugged into MPU board.
● If movement is detected:
– Verify shaft linkage is secure to positioner's input shaft, see Loose or Worn Linkage
Rotary Applications - Verify the coupling setscrew is tight.
Linear Applications – Verify all hardware is tight. If feedback solution has a
pin
, verify pin is compressed throughout all positons of the valve stroke.
PS2 Troubleshooting Guide
Service Manual, 03/2017, A5E36661550-AA
for rotary and linear coupling examples.
○ Remove top cover to gain access to MPU board.
(Page 29) section for more details
A.3 NOINI (P-Manual Mode) Troubleshooting
Appendix A
white cone style
59