Function Test - Danfoss AME 438 SU Installation Manual

Installation Guide

Function test

The indicator light shows whether the
positioner is in operation or not. Moreover,
the indicator shows the control status and
faults.
Constant light
- normal operation
No light
- no operation or no power supply
Intermittent light (1 Hz)
- self adjusting-mode
Intermittent light (3 Hz):
- power supply too low
- insufficient valve stroke (<20 s)
- end-position cannot be reached.
6
DH-SMT/SI
AME 438 SU
VI.LE.F2.3O Danfoss Heating