Samson TROVIS SAFE 3731 Series Operating Instructions Manual page 96

Electropneumatic positioner
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Appendix
Message
Open/Close (on/off)
96
Possible reasons
− The breakaway time or
transit time differs from the
reference value by the
amount entered in 'Limit
value time analysis'.
− The valve end position dif-
fers from the reference
value by the amount en-
tered in 'Limit value travel
analysis'.
− The end position cannot
be reached.
Recommended action
− Check that pneumatic
installations and con-
nections are tight.
− Check supply pressure.
− Check plug stem for ex-
ternal influences that
could be blocking it.
Status clas-
sification
Single reset
[
]
Sec. 3.1.3
u 
EB 8389S EN

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