Frequently Encountered Diagnostic Messages - Agilent Technologies E8285A Manual

Troubleshooting

Frequently Encountered Diagnostic Messages

Frequently Encountered Diagnostic Messages
Warning/Error Messages
NOTE Test Sets with firmware revision A.04.5X and above operate only at RF
frequencies from 800 to 1000 MHz and 1700 to 2000 MHz. A text only error
message "Input value out of range" , will be displayed if invalid
frequencies are set.
Error messages that appear on the second line of the Test Set's display frequently
occur while any of the SERVICE7 program diagnostic tests are running. The most
complete and general list of error messages is in the "Error Messages" chapter of
the Test Set's Reference Guide. (Some messages relating specifically to
troubleshooting can be found in
of the messages you can expect to occur while running the SERVICE7 program
diagnostic tests are as follows:
• Direct latch write occurred. Cycle power when done
• Change Ref Level, Input Port or Attenuator (if using
• Printer does not respond. This usually indicates that one or more
• ERROR 173 IN XXXX Active/system controller req'd (where
68
S:\agilent\e8285\ALR\Book\chapters\trouble.fm
servicing. The SERVICE7 program commonly generates this message.
This message appears the first time the diagnostic program directly addresses a
latch. The message should be ignored and cleared when you make a normal
(not a diagnostic) measurement with the Test Set. To clear this message the Test
Set should be turned off and back on again.
"Hold"). This message, and similar messages, can be generally ignored.
settings on the TESTS (Printer Setup) screen are set incorrectly for your printer.
Also, check that the printer's power is on and that it is correctly cabled. For
GPIB printers make sure the printer is correctly addressed. If a serial printer is
used, you may have to change the serial communication settings on the I/O
CONFIGURE screen (press
message times out after a few seconds, and the output destination is changed to
CRT by the program.
"XXXX" represents a line number). Indicates that the Test Set's internal
IBASIC computer must be set as a system controller for some reason. This
usually indicates that the Printer Port field of the TESTS (Printer Setup)
screen was set to Agilent-IB but the Mode field on the I/O CONFIGURE
screen is set to Talk&Lstn instead of Control . Change the mode setting to
Control and run the diagnostic again.
Chapter 10, "Error Messages" on page
then to get to this screen). The
Shift Inst Config
291.) Some