Diagnostics of an Analog Module

At a Glance

The Module diagnostics function displays errors when they occur, classified according to category:

Internal detected error:
- module malfunction
- self-testing error
External events:
- Wiring control (broken-wire, overload or short-circuit)
- Under range/over range
Other errors:
- configuration error
- module missing or off
- inoperative channel

A module error is indicated by a number of LEDs changing to red, such as:

in the rack-level configuration editor:
- the LED of the rack number
- the LED of the slot number of the module on the rack
in the module-level configuration editor:
- the Err and I/O LEDs, depending on the type of error
- the Channel LED in the Channel field

Procedure

The table below shows the procedure for accessing the module Fault screen.

Step	Action
1	Open the module debugging screen.
2	Click on the module reference in the channel zone and select the Fault tab. Result: The list of module errors appears. Note: It is not possible to access the module diagnostics screen if a configuration error, major breakdown error, or module missing error occurs. The following message then appears on the screen: " The module is missing or different from that configured for this position."