9
4
GENERAL OPERATION
Note.
Error messages are cleared automatically when the fault condition no longer exists.
Message
Reason
Action
Ad.FAIL
Internal analog to digital converter system hardware has failed
• Check the input/output board is located correctly
in its socket.
• Power down and up.
If the '
Ad.FAIL
' message is still present, contact
the local Service Organisation
F–INPt
Process variable input is above or below fault detection level.
• Check input source for possible broken sensor
• Check input connections
• Check input link position
• Check input configuration in
Set Up Input Page
Ad.FAIL
Hardware failure on
Process Variable 1
F–PFb
200.5
Input out of range on
Position Feedback
Process variable input exceeds the limits for the linearizer
selected.
200.5
200.3
100.3
F–rSt
Input fail on Remote Set
Point
F–INPt
Input out of range on
Controller Process Variable
F–rSPt
F–PFb
Remote set point input is above or below fault detection level.
Remote set point input exceeds the limits for the linearizer
selected.
Position feedback input is above or below fault detection level.
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
Fig. 4.2 Input Error Messages Displayed in the Operating Page
