146
EB 8384-6S EN
Annex
Error codes –
Recommended action
Condensed state message active, when prompted,
ERR
appears.
When fault alarms exist, they are displayed here.
53 Initialization time
exceeded
(initialization time >)
Timeout detected during initialization
•
Valve takes too long to open.
•
Valve cannot find fixed end stops (e.g. when lined control butterfly
valves are used).
•
Valve tends to hunt considerably.
Status classification
[Maintenance required]
Recommended action
• Check supply pressure and install pneumatic volume booster, if
necessary.
•
Adjust travel/angle stops.
•
Reduce hunting tendency (e.g. restrict or open booster bypass). Re-
initialize the positioner.
54 Initialization -
Internal solenoid
valve/forced venting
1)
Internal solenoid valve/forced venting not or improperly connected.
2)
An attempt was made to initialize the device from fail-safe position.
Status classification
[Maintenance required]
Recommended action
1)
Check connection and supply voltage of solenoid valve/forced venting.
Re-initialize positioner.
2)
Switch to manual mode.
Re-initialize positioner.
55 Transit time not
reached
(transit time <)
Actuator transit times detected during initialization are so short (< 0.3 s)
that optimal positioner tuning is impossible.
Status classification
[Out of specification]
Recommended action
• Activate volume restriction in positioner output.
•
Re-initialize positioner.
56 Pin/switch position
1)
Pin position not entered for nominal range (NOM) or substitute (SUB)
initialization.
2)
ATO/ATC switch defective.
Status classification
[Maintenance required]
Recommended action
1)
Enter pin position and nominal range.
Re-initialize positioner.
2)
Return positioner to SAMSON for repair.
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