Samson TROVIS 3730-3, Mounting And Operating Instructions

Page: 138 / 180

138 EB 8384-3 EN
Appendix
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 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
calibration 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
Additional indication at the
fault alarm contact
Error in safety-relevant data that cannot be corrected automatically. Pos-
sible cause: EMC disturbances.
The valve is moved to fail-safe position.
Status classification Maintenance alarm (cannot be classified)
Recommended action Reset over Code 36 – Std. Re-initialize the positioner.