Samson 3730-3 Operating Instructions Manual page 122

Appendix
Message
x signal (Code 62)
i/p converter (Code 64)
Hardware (Code 65)
Data memory (Code 66)
Control calculation
(Code 67)
Program load error
(Code 77)
x > range (Code 50)
Delta x < range (Code 51)
Attachment (Code 52)
122
Possible reasons
− Actuator's measured value
recording failed.
− Conductive plastic element
defective.
Current circuit of i/p converter
interrupted.
− Hardware error
The valve is moved to fail-safe
position.
− No more data can be writ-
ten to the data memory.
The valve is moved to fail-safe
position.
Hardware error has occurred.
− A program has been
loaded that does match the
positioner.
The valve is moved to fail-safe
position.
− Pin not mounted properly.
− NAMUR attachment:
bracket slipped or follower
pin not properly seated on
the follower plate's slot.
− Follower plate not mounted
properly.
− Pin not mounted properly.
− Wrong lever mounted.
− Pressure limit set too low.
− Wrong lever mounted.
− Supply pressure too low;
valve cannot be moved to
desired position.
− Nominal range could not
be reached during nominal
range initialization
(NOM).
Recommended action
Return positioner to
SAMSON for repair.
Return positioner to
SAMSON for repair.
Confirm error and select
'Automatic' operating mode.
If not successful, reset
initialization and re-initialize
the positioner.
Confirm error and select
'Automatic' operating mode.
If not successful, reset
initialization and re-initialize
the positioner.
Confirm error. If this is not
possible, return positioner to
SAMSON for repair.
Interrupt current signal and
restart the positioner. If this is
not possible, return positioner
to SAMSON for repair.
− Check attachment and
pin position.
− Re-initialize positioner.
− Check attachment and
pressure limit.
− Re-initialize positioner.
− Check attachment and
supply pressure.
− Re-initialize positioner.
Status
classifica-
tion Single reset
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EB 8389 EN