Agilent Technologies 8922S Spezifikationen PDF herunterladen (Seite 17)

1-7

Localizing the Problem

If Power-Up Checks FAILED

The following conventions are used to represent the LED’s throughout this chapter.

LED Sequences

The LED error sequence will show two states, pass or fail, which are outlined below. The

suspect assembly is given in the following tables, before moving on consult the section

"Self-Test Diagnostic Result".

No Failures

Detected The LED’s will light for approximately 10 seconds, then all will turn

off.

Lit for 10 seconds.

Failure Detected 1 The LED’s will initially all light.

2 The next pattern blinks rapidly, and shows that an assembly has

failed.

3 The third sequence ﬂashes twice and gives further information on

the area of the board that has failed.

4 The LED’s will light then go out.

Table 1-2 LED Conventions

LED shown in tables Represnts

A ’lit’ LED

An ‘off’ LED

A ﬂashing LED

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