Troubleshooting

Table 4-1. LED Power up Sequences

LED Sequence

Description

 

 

No LED blinks

Error with hardware or AC

 

adapter.

 

 

First blink:

LED is not functioning properly

 

as units should blink Yellow.

Red or Green

 

 

 

Yellow

EPROM Checksum test failed.

 

Faulty EPROM or Board

 

problem.

 

 

Yellow & 1 Red

SRAM, Data test failed

 

 

Yellow & 2 Red

SRAM Address test failed

 

 

Yellow & 7 Reds & 1 Green

Passed all hardware tests

 

 

4-4Issue 1 June 1998

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Image 69
Lucent Technologies 1100 manual LED Power up Sequences LED Sequence Description