1-8
Localizing the Problem
If Power-Up Checks FAILED
NOTE 1. The third patterns are only documented for a serial bus communication failure. This is
represented by the two outside LED’s flashing.
2. The second and third patterns will be the same. It will appear as if the same pattern has
flashed twice.
Formore than one error in the Agilent 8922x the LED’s will flash in the same sequence for
each assembly that is faulty.
Table 1-3 Sequence of LED Patterns
1
2Assembly failure.
3
Serial Bus
Communication
Failures
4No more errors.
3210
3210
3210 3210
3210 3210