Samson 3731-5, Mounting And Operating Instructions

Page: 69 / 112

EB 8387-5 EN 69
Operating the positioner
Perform zero calibration:
1. Turn until Code 6 appears.
2. Press , the code number 6 blinks.
3. Turn until ZP appears.
4. Press to confirm.
5. Turn until Code 0 appears.
6. Press , reading: MAN , Code 0 blinks.
7. Turn until Init appears. Press . The
fail-safe position setting AtO or AtC is dis -
played.
8. Press and hold for six seconds.
Zero calibration starts. The positioner
moves the valve to the CLOSED position
and recalibrates the internal electrical zero
point.
Initialization mode
Default: MAX