94
EB 8384-4 EN
Code list
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
Control loop error, the valve no longer follows the controlled variable within
tolerable times (tolerance band alarm Code 19).
•
Actuator blocked
•
Positioner attachment shifted subsequently
• Supply pressure no longer suffices.
Status classification
[Maintenance required]
Recommended
action
Check attachment.
58 Zero point
Zero point incorrect
Error can occur when the positioner's attachment position is shifted or when
the valve trim is worn, particularly with soft-sealed plugs.
Status classification
[Maintenance required]
Recommended
action
Check valve and attachment of the positioner. If OK, perform a zero calibra
-
tion over Code 6 (see section 7.7).
We recommend to re-initialize the positioner if zero deviates by more than
5 %.
59 Auto-correction
Errors in the positioner's data section are detected detected by automatic
monitoring and corrected automatically.
Status classification
[No message]
Recommended
action
Automatic
60 Fatal error
Error in safety-relevant data that cannot be corrected automatically. Possible
cause: EMC disturbances.
The valve is moved to fail-safe position.
Status classification Maintenance alarm (cannot be classified)
Recommended
action
Reset over Code 36. Re-initialize the positioner.
Summary of Contents for 3730-4
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