Samson 327 Originalbetriebsanleitung Seite 71

Translation of the original operating instructions
Type 327
Media leakage at pipe
connection
Media leakage at valve body
Control media leakage at
leakage control hole
Control media leakage at
control air connection „open"
(for NC valves) or respectively
No switching
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Defect sealing / sealing material
Improper installation
Threaded ends loose
Defect valve body
Defect stem sealing
Defect control diaphragm or
piston lip seal
Valve does not switch / makes
too little stroke
Wiring
65
Change sealing / sealing material
Install valve body proper
Re-tighten connection
Change valve body
Change actuator, see chapter 5.3.ff and
check control media for pollution
Change actuator, see chapter 5.3.ff
Check control pressure
Correct wiring
BA220002 Version: a