Samson 3730 Series - Page 106

106 EB 8389-1S EN
Appendix
Message Possible reasons Recommended action
Status
classication Single reset
Change in manipulated
variable range
− The working range has shifted
towards CLOSED or max. OPEN
position.
− Short-term change of
manipulated variable range
occurred.
− Rethink the working range. •
[ ]
•
u Sec. 6.2
Diagnostics > Monitoring
PST/FST status Status
(Code 84)
− The partial stroke test or the full
stroke test has not been
completed successfully.
− Read test status. See
section12/13.
•
[ ]
–
On/off valve (Code 85) − The breakaway time or transit
time differs from the reference
value by the amount entered in
'Travel time assessment limit'.
− The valve end position differs
from reference value by the
amount entered in 'Valve end
position limit'.
− The valve end position cannot be
reached.
− Check valve and actuator. •
[ ]
•
u Sec. 5.3
Appendix