Agilent Technologies 6834B Guía de usuario descargar pdf (Pagina 163)

M3000A/M3046A/M3015A/M3016A Service Guide

Troubleshooting the Instrument 5-5

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When the Monitor is first switched on, all the front-panel LEDs and keys light up

momentarily. The meaning of the front-panel LEDs under normal operation is given in the

following table together with a brief summary of possible defect conditions:

• With the Instrument on, observe the following:

• The backlight tube lights the LCD display.

• No error messages are displayed. Error messages indicate either software or hardware fault

has occurred. If error messages are displayed, refer to error codes later in this chapter.

• The brightness of the LCD display is adequate. If not, adjust it accordingly.

• The green LED on the System Board is on (see the following section).

LED Normal Operation Defect Condition

Off/Standby

Green: The Monitor is on.

Off: The Monitor is in standby mode.

The LED remains off: Suspect:

1. Monitor Bezel cable connec-

tion.

2. System Board

Go to the troubleshooting sec-

tion.

AC Power Green: The Monitor is connected to the

mains power supply.

The LED remains off: Suspect:

1. Power Supply.

2. Monitor Bezel cable connec-

tion.

3. System Board.

Go to the troubleshooting sec-

tion.

Battery Green: The battery is fully charged

(>95%).

Yellow: The battery is charging.

Red and blinking: The battery is empty.

Same as for AC Power condi-

tion.

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Agilent Technologies 6834B Guía de usuario Pagina 163