Keysight Technologies E4360 Series Service Guide

5 Troubleshooting
50 Series E4360 Service Guide
Preliminary Checkout
Is the instrument inoperative?
 Verify that the AC power cord is connected to the instrument.
 Verify that the front-panel On/Standby switch has been pushed.
Is the display working?
 If the display is hard to read, but front-panel LED is lit and the fans
are working, the display contrast setting may be too light or too
dark. Use the front panel menu to set the display contrast.
Does the instrument fail selftest?
 Remove all external connections to the instrument.
 Check that modules are installed next to each other, starting with
slot 1. If there are any empty slots (or filler modules) between the
output modules, the solar array simulator will not operate.
 Check that the mainframe has the latest firmware installed.
 Turn off the unit and cycle power to run selftest again.
If the supply passes selftest and there are no obvious faults, perform the
verification procedures in chapter 2 to determine if any functions are not
calibrated, or are not operating properly.
Selftest Error List
The following table documents the selftest error messages. Refer to
Appendix A for other error messages.
Selftest Errors
(these errors set Standard Event Status register bit #3)
202
Thermistor Failed <chan>
The internal temperature thermistor has failed. <chan> is the
channel location of the failure.
202 Mass Storage Error
The user table flash memory is not initialized. This can occur if
the table flash memory has been cleared or sanitized. Use
SYST:MMEM:INIT to restore the table flash memory.

Keysight Technologies E4360 Series Specifications

General

Brand	Keysight Technologies
Model	E4360 Series
Category	Switch
Language	English