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The instrument has dedicated Operating Pages – see Fig. 4.1. These pages are used for general monitoring of the process
measurements and are not affected by the security system which inhibits access to the programming and control pages only – see
Section 5.5 on page 18.
4.1 Input Error Messages – Fig. 4.2
Message
Ad. F AIL
Internal analog to digital converter system hardware has failed
Process variable input is above or below fault detection level.
F–INPt
Process variable input exceeds the limits for the linearizer
selected.
Remote set point input is above or below fault detection level.
F–rSPt
Remote set point input exceeds the limits for the linearizer
selected.
F–PFb
Position feedback input is above or below fault detection level.
F–INPt
200. 3
Ad. F AIL
200. 5
Note. Error messages are cleared automatically when the fault condition no longer exists.
Reason
Input out of range on
Controller Process Variable
Hardware failure on
Process Variable 1
Fig. 4.2 Input Error Messages Displayed in the Operating Page
4 GENERAL OPERATION
Action
• Check the input/output board is located correctly
in its socket.
• Power down and up.
If the 'Ad. F AIL' message is still present, contact
the local Service Organisation
• Check input source for possible broken sensor
• Check input connections
• Check input link position
• Check input configuration in
200. 5
Input out of range on
F–PFb
Position Feedback
100. 3
F–rSt
Input fail on Remote Set
Point
Set Up Input Page
9
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