Table of Contents
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Malfunctions
Malfunction
Jerky control
response
Control loop hunts
Loud noises
Leakage at the
actuator
8-2
Possible reasons
Increased friction, e.g. due to foreign
particles between seat and plug
Regulator or K
/C
coefficient too
VS
V
large
High flow velocity, cavitation
Defective operating diaphragm
Recommended action
Î Remove foreign particles.
Î Contact SAMSON's After-sales Service when
parts are damaged.
Î Check the sizing.
Î Change K
/C
coefficient, if necessary or
VS
V
install a different sized regulator.
Î Contact SAMSON's After-sales Service.
Î Check the sizing.
Î Install larger regulator, if necessary.
Î Contact SAMSON's After-sales Service when
parts are damaged.
EB 3009 EN
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