Installation guide

Diagnostic LEDs
Table 1-6 LED error codes
LED
Error Code
(1=On) Troubleshooting Procedure
1111 1111
0011 1111
0011 1110
0011 1101
Troubleshoot according to
Figure 2-3.
0011 0111 Replace the CPU module. If the
LEDs display 0011 0111 when the
power-up self-test stops, replace
the system module.
0011 0110 Troubleshoot according to
Figure 2-5.
0010 0011
0001 0011
0000 0011
0000 0000
Troubleshoot according to
Figure 2-6.
0011 1011
0010 1011
0001 1011
0000 1011
Troubleshoot according to
Figure 2-7.
TROUBLESHOOTING INFORMATION 1–15