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TROUBLESHOOTING
NIU (TALK 90) DIAGNOSTIC TEST (IIOIS12 CONSOLES ONLY)
I-E96-107-2N
6 - 7
2. Select Talk 90 by typing one and pressing
<Return>
.
3. Select 19 (CIU_RESTART) from the menu and press
<Return>
.
4. Answer the prompts:
Key
=
0
<Return>
Watchdog
=
0
<Return>
Options
=
10
(for Plant Loop) or
255
(for INFI-NET)
<Return>
Reply Delay
=
0
<Return>
Interrupts
=
0
<Return>
5. Check that the top row of LEDs on the MCP will turn on
solid, then off. The green light on the MCL will turn off, then
on (off-line to the loop, then on-line to the loop).
6. On the terminal enter a one to return to Talk 90.
7. Check that the terminal displays a response of zero errors.
The terminal will display the node address.
No errors indicates that the problem is in the IIOIS12 or in the
cable between the IIOIS12 and the NIU.
Any indicated errors shows that the problem is in the NIU.
Substitute modules and run the test again to isolate the prob-
lem to the MCP, MCL, or MLM module.
NOTES:
1. A message referring to the LIS indicates a problem on the
IIMLM01.
2. A message referring to the SSM indicates a problem on the
IIMPCP01.