Agilent Technologies E5810A Checking the E5810, Checking Front and Rear Panel Displays, Chapter

Troubleshooting Information

Checking the E5810

Checking the E5810

This section gives guidelines to check the E5810, including:

Checking Front and Rear Panel Displays

￿Checking E5810 Configuration Parameters

Checking Front and Rear Panel Displays

Checking LEDs

As a first step in troubleshooting the system, you should check the front panel display and LED status. In addition, you can check the rear panel Ln LED to see if there is communication from your PC to the E5810 via the LAN.

The following table shows suggested steps to troubleshoot the E5810 using the LED displays. If there is an error message on the front panel display, see “Checking Front Panel Display Error Messages”.

NOTE

The Fault LED is turned ON briefly during power-on to show it is working and then turns OFF. If a hardware fault occurs, the Fault LED turns ON and remains ON for more than 10 seconds. In this case, contact Agilent Technologies.

LED Status	Possible Cause(s)	Corrective Action(s)
All LEDs OFF	No AC power to the E5810	Check AC power connections.
Only POWER and	If FAULT is ON for more than 10	Contact Agilent for instructions to
FAULT ON	seconds, suspect an E5810	return the E5810.
	hardware failure
POWER ON, back	Indicates no communication from	Check the LAN connection to the
panel Ln OFF	your PC to the E5810 via the LAN.	E5810. See Chapter 1 - E5810
		Description for location of the LAN
		port and the Ln LED.
POWER and LAN	Indicates communication via the	Check GPIB and/or RS-232
ON, GPIB and/or	LAN to the E5810, but not to	connections and configuration.
RS-232 OFF during	connected GPIB and/or RS-232	Make sure instrument power is
instrument activity	instruments.	turned ON.

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