Eltorque QT250 - 5.2 Error alarms and error handling; 5.2.1 GENERAL alarm; 5.2.2 POSITION UNDEFINED alarm; Valve percent position

Operation
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User Manual QT250 and QT800 gen 2.5, ID 2021 2.3 20. April 2021
Figure 33: Manual operation of the actuator
Figure 34: Position scale
The following subsections describe what triggers an alarm, reactions from the
actuator and how the alarm is reset.
• Trigger conditions: One or more of the alarms POSITION UNDEFINED,
TEMPERATURE or TORQUE is active.
• Reaction from actuator: None for the GENERAL alarm itself, but the other
alarms that are active have reactions.
• Reset conditions: The alarms POSITION UNDEFINED, TEMPERATURE and
TORQUE must be inactive.
• Trigger conditions: The outgoing shaft of the actuator is out of range.
• Reaction from actuator: None besides an active alarm.
• Reset conditions: The outgoing shaft must be run back within range.
Valve percent position is a [0%, 100%] value. A value of 0% corresponds to the
CLOSED position, while a value of 100% corresponds to the OPEN position. Seen