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Installation guide ame 438 su, Function test – Danfoss AME 438 SU User Manual

Page 6

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Installation Guide

AME 438 SU

DH-SMT/SI

VI.LE.F2.3O

Danfoss Heating

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.