Keysight Technologies E4981A, Service Manual

Page: 55 / 152

Chapter 4 53
Troubleshooting
Troubleshooting Using Service Function
4. T
roub
lesho
o
ting
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 .
Table 4-3 Power on test / self test failure troubleshooting
information
Test
group
Test
No.
Test Name Error Code /
Message
Probable faulty board
assembly
A31 A34 PPMC
CPU 1 CPU Test 1 ~ ffff ###
2 CPU Test 1 ~ ff ###
System 1 A1 FPGA check 0x01 ### #
2 A4 FPGA check 0x02 ## ### #
3 A1 Revision check 0x04 ### #
4 A4 Revision check 0x08 ## ###
Data 1 System Data 0x01 ### #
2 SysCal Data 0x02 ## ### #
3 Flash File system check 0x04 ###
4 Test Limit Data 0x08 ###
Option 1 Option consistency check 0x01 ## #
A31 1 A31_DCBUS_M12V 0x01 ###
2 A31_DCBUS_P12V 0x02 ###
3 A31_DCBUS_P5V 0x04 ###
4 A31_DCBUS_P3.3V 0x08 ###
5 A31_DCBUS_P2.5V 0x10 ###
6 A31_DCBUS_STANBY 0x20 ###
A34 1 A34_DCBUS_GND 0x01 ###
2 A34_DCBUS_P10V 0x02 ###
3 A34_DCBUS_P5V 0x04 ###
4 A34_DCBUS_N10V 0x08 ###
5 A34_DCBUS_P3R3VA 0x10 ###
6 A34_DCBUS_N10VPA 0x20 ###
7 A34_DCBUS_TEMP 0x40 ###