Samson 373 Series Operating Instructions

EB 8389 EN 121
Appendix
9.2 Error messages and recommended corrective action
Message Possible reasons Recommended action
Status
classica-
tion Single reset
Diagnostics > Status messages
Control loop (Code 57) − Actuator is blocked.
− Positioner attachment has
shifted subsequently.
− Insufcient supply pressure
− Check attachment.
− Check supply pressure.
•
[
]
–
Zero point (Code 58) − Mounting arrangement or
linkage has slipped.
− Valve trim, particularly
with soft seat, is worn.
− Check valve and position-
er attachment.
− Calibrate zero.
− We recommend to re-
initialize the positioner if
zero deviates by more
than 5 %.
•
[
]
•
Autocorrection (Code 59) Data section error in position-
er.
– – •
Fatal error (Code 60) − Error detected in safety-
relevant data. Possible
cause: EMC disturbances.
The valve is moved to fail-safe
position.
– – –
w too small (Code 63) The set point (w) is lower than
3.7mA.
Check set point (w). If
necessary, restrict lower limit
of current source to ensure
that a current below 3.7mA
cannot be issued.
•
[
]
–
Total valve travel exceeded 'Absolute total valve travel'
exceeded 'Total valve travel
limit'.
– •
[
]
–
Temperature exceeded – – •
[
]
–
Extended diagnosis
(Code79)
Extended diagnostics
messages generated by
EXPERTplus. See Diagnosis >
Status messages > Extended.
– –
Reference variable outside
range
Set point smaller than 4mA or
greater than 20mA.
If possible, limit current
source at lower (4mA) and/
or upper (20mA) limit.
– –

Samson 373 Series Specifications

General

Brand	Samson
Model	373 Series
Category	Valve Positioners
Language	English