Input Error Messages - ABB C1900 Operating Manual

...4 OPERATION
The instrument has dedicated
monitoring of the process measurements and are not affected by the security system which inhibits access to the
only – see Section 4.5 on page 12.
LEVELS
4.1 Input Error Messages – Fig. 4.2
Message
Ad. F AIL
Internal analog to digital converter system hardware has failed
Input is above or below fault detection level.
F–INPt
or
Input exceeds the limits for the linearizer selected
Examples
Ad. F AIL
200. 5
Note. Error messages are cleared automatically when the fault condition no longer exists.
8
in the
Operating Pages OPERATOR LEVEL
Reason
Hardware failure on
Process Variable 1
Fig. 4.2 Input Error Messages Displayed in the Operating Page
– see Sections. 4.1 to 4.4. These pages are used for general
• Check that 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 organization
• Check input source for possible broken sensor
• Check input connections
• Check input link position
• Check input configuration in
200. 5
F–INPt Input out of range on
Process Variable 4
PROGRAMMING
Action
Set Up Input Page