Power On Test / Self Test Failure Troubleshooting - Keysight Technologies E4981A Service Manual

Power On Test / Self Test Failure Troubleshooting

Table 4-3 represents the contents of the power on tests or self test and the relationships of
failed tests to probable faulty board assemblies. If power on test failed is displayed or self
test fail is displayed, replace the faulty board assembly as shown in
Table 4-3 Power on test / self test failure troubleshooting
information
Test Test Test Name
group No.
CPU 1 CPU Test
2 CPU Test
System 1 A1 FPGA check
2 A4 FPGA check
3 A1 Revision check
4 A4 Revision check
Data 1 System Data
2 SysCal Data
3 Flash File system check
4 Test Limit Data
Option 1 Option consistency check
A31 1 A31_DCBUS_M12V
2 A31_DCBUS_P12V
3 A31_DCBUS_P5V
4 A31_DCBUS_P3.3V
5 A31_DCBUS_P2.5V
6 A31_DCBUS_STANBY
A34 1 A34_DCBUS_GND
2 A34_DCBUS_P10V
3 A34_DCBUS_P5V
4 A34_DCBUS_N10V
5 A34_DCBUS_P3R3VA
6 A34_DCBUS_N10VPA
7 A34_DCBUS_TEMP
Chapter 4
Troubleshooting Using Service Function
Table
Error Code / Probable faulty board
Message
A31
1 ~ ffff
1 ~ ff
0x01 ###
0x02 ##
0x04 ###
0x08 ##
0x01 ###
0x02 ##
0x04
0x08
0x01 ##
0x01 ###
0x02 ###
0x04 ###
0x08 ###
0x10 ###
0x20 ###
0x01
0x02
0x04
0x08
0x10
0x20
0x40
Troubleshooting
4-3.
assembly
A34 PPMC
###
###
#
### #
#
###
#
### #
###
###
#
###
###
###
###
###
###
###
53