Led Indicator Guide; Table 1-1 States Of Led Indicator And Its Description - Agilent Technologies U2000 Series Operating And Service Manual

1 Getting Started

LED Indicator Guide

The LED indicator is found at the rear panel of the power sensor. The
following table shows the states of the LED indicator and its description.

Table 1-1 States of LED indicator and its description

LED indicator
GREEN blinking
RED blinking
RED
AMBER
4
Description
Device in communication mode.
Example: Sending SCPI commands or reading data.
Error - Highest priority event
The error is due to HW/OS/Self-test. All other LED indicators will
not function while having this error. The error message can be read
by sending SYST:ERR? command. Users are advised to return the
power sensor to Agilent.
Error. Use SYST:ERR? to read the error message. Reading the error
message will also clear the LED indication. Users are advised to read
the message as some of the error might cause measurement errors.
Example of error cause:
1 SCPI command syntax error
2 Invalid Zero
Zeroing is in progress.
Sending SCPI commands during the zeroing process will cause error.
This will cause the LED indicator to turn RED.
U2000 Series Operating and Service Guide