Samson 3738-20 Mounting And Operating Instructions page 65

No. Status message
F5*
Actuator stationary
when required to
move
Note: If the valve moves after a delay, F5 remains active until the next successful switch-
ing demand.
Partial stroke test (PST)
F6*
Min. value for PST not
reached
F7*
Max. value for PST
exceeded
Note: The status messages are only generated when P12 = YES.
F8*
No switching voltage
during PST
Note: It is only evaluated when the partial stroke test is started manually (P17).
F9*
Time-out during PST
F9*
Time-out during PST
F10
Error E0 to E10 exists
EB 8390 EN
Possible causes
• Mechanical blockage
• Supply pressure too low
• External leakage
Recommended action
• Check attachment and supply air line.
• Mechanical blockage
• Friction too high
• Supply pressure too low
Recommended action
• Check attachment and supply air line.
• Check valve.
• Incorrect voltage supplied to the solenoid valve
• Breakage of wire to external solenoid valve
Recommended action
• Check switching voltage to integrated/external solenoid
valve.
• Mechanical blockage
• Supply pressure too low
• External leakage
Recommended action
• Check attachment and supply air line.
• Mechanical blockage
• Supply pressure too low
• External leakage
Recommended action
• Check attachment and supply air line.
See section 13.2
Parameter list
65