Turn-On/Selftest

Turn on the Electronic Load using the LINE switch on the front panel and observe the display. Immediately after turn-on, the Electronic Load undergoes a selftest that checks the GPIB interface board as well as the input circuitry of the installed modules. All of the front panel LCD segments are momentarily activated. When selftest completes, the display should appear about the same as the one shown in Figure 3-6 with the CC annunciator being on.

Figure 3-6. Front Panel Display

After the Electronic Load has passed selftest, connect a power supply to the Electronic Load to test the input circuits as described under "Power Test".

If the Electronic Load fails any portion of the selftest, one of the following error numbers may briefly appear on the display:

 

GPIB Errors

Display

Description

ERROR 1

RAM failure

ERROR 2

ROM failure

ERROR 3

GPIB failure

ERROR 4

Internal trigger failed

ERROR 5

Line trigger failed

ERROR 6

Line trigger failed

ERROR 7

EEprom failed

Display*

1 ERROR 100

1 ERROR 101

1 ERROR 102

1 ERROR 103

1 ERROR 104**

1 ERROR 105

1 ERROR 106

1 ERROR 107

1 ERROR 108

Channel Errors Description

Self test error Secondary RAM failure Secondary ROM failure Secondary timer trigger failed Calibration EEprom failed Main DAC high

Main DAC low Transient DAC high Transient DAC low

*The applicable channel number is displayed for Multiple Electronic Loads starting with the lowest numbered channel. Error numbers are not related to the negative numbers returned by the SYST:ERR? query.

**Requires recalibration

Another indication that a selftest failure has occurred is if the ERR annunciator on the display remains on after selftest completes.

If the Electronic Load has failed selftest, the mainframe or module to the nearest Agilent Sales and Service Office for repair.

38 Installation

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Agilent Technologies 6050A, 6051A manual Turn-On/Selftest, Gpib Errors, Display Description, Channel Errors Description

6051A, 6050A specifications

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