EB 8384-6S EN
147
Annex
Operational errors
Error codes –
Recommended action
Condensed state message active, when prompted,
Err
appears.
When fault alarms exist, they are displayed here.
57 Control loop
Additional indication at the
fault alarm contact
Control loop error, the valve no longer follows the controlled variable within
tolerable times (tolerance band alarm Code 19).
• Actuator is blocked.
• Positioner attachment has shifted subsequently.
•
Insufficient supply pressure
Status classification
[Maintenance required]
Recommended action
• Check attachment.
• Check supply pressure.
58 Zero point
• Mounting arrangement or linkage has slipped.
•
Valve trim, particularly with soft seat, is worn.
Status classification
[Maintenance required]
Recommended action
• Check valve and positioner attachment.
• Calibrate zero.
We recommend to re-initialize the positioner if zero deviates by more than
5 %.
59 Inconsistent data
memory
The error is detected by automatic monitoring and corrected automatically.
Status classification
Failure (cannot be classified)
60 Internal device error
Additional indication at the
fault alarm contact
The positioner goes to the fail-safe position (SAFE).
Status classification
Failure (cannot be classified)
Recommended action Return positioner to SAMSON for repair.
61 KP too low
Proportional-action coefficient Kp level lower than 3 was detected during
initialization.
Note:
A Kp level < 3 does not cause the initialization process to be
canceled.
Status classification
[Maintenance required]
Recommended action
• Activate volume restriction in positioner output.
• Increase the bypass restriction setting of booster (if installed).
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