
TROUBLESHOOTING
INNPM11 MODULE ERROR CODES
5 - 2
WBPEEUI250016A1
®
INNPM11 MODULE ERROR CODES
If errors occur while the NPM module is operating, the status
LED turns red and the CPU LEDs on the NPM module faceplate
display error codes. Table
lists the NPM module error codes
and associated corrective action. The NPM module displays
error codes only when it is halted.
Table 5-2. INNPM11 Module Error Codes
Code
LEDs
8 7 6 5 4 3 2 1
Condition
Corrective Action
0D
0 0 0 0 1 1 0 1
Intermodule link errors
Check I/O expander bus connection
between primary and secondary NPM
modules.
0E
0 0 0 0 1 1 1 0
Dipswitch SW3 position 8 is set
the same on redundant NPM
modules
Change position 8 on one of the NPM
modules. Check for another module at NPM
Controlway address.
12
0 0 0 1 0 0 1 0
NIS handshake failure
Replace NIS or NPM.
13
0 0 0 1 0 0 1 1
ROM checksum error
Reset NPM, replace NPM if error continues.
14
0 0 0 1 0 1 0 0
I/O expander bus message failure
15
0 0 0 1 0 1 0 1
Loopback test failure
Check cabling and termination device.
Replace NIS.
31
0 0 1 1 0 0 0 1
Memory or CPU fault
Replace NPM.
32
0 0 1 1 0 0 1 0
Address or bus error
Reset NPM. replace NPM if error continues.
33
0 0 1 1 0 0 1 1
Illegal instruction
34
0 0 1 1 0 1 0 0
Trace/privilege violation
35
0 0 1 1 0 1 0 1
Spurious/unassigned exception
36
0 0 1 1 0 1 1 0
Divide by 0/checksum/format error
38
0 0 1 1 1 0 0 0
Option dipswitch settings do not
match between primary and
backup NIS or NPM modules.
Check option dipswitches settings.
39
0 0 1 1 1 0 0 1
Duplicate node number on loop
Change node number. Check primary and
backup NPM configuration (NKMP01/11
cable not installed).
3C
0 0 1 1 1 1 0 0
Relay or fuse failure on
termination device or power supply
failure
Check relay or fuse. Check power supply.
Replace termination device if error
continues.
3D
0 0 1 1 1 1 0 1
Incompatible NIS module firmware NPM firmware revision C.1 or later requires
NIS firmware revision E.1 or later.
3F
0 0 1 1 1 1 1 1
NPM has stopped because the
user pressed the stop button
Reset NPM.
NOTE: Codes are displayed only when the NPM is halted and the status LED is red. 0 = LED OFF, 1 = LED ON.