POWER UNLEVELED
Error Number There is either a hardware failure in the source or you have
179 
attempted to set the power level too high. Check to see if the
power level you set is within 
specillcations.
 If it is, refer to the
“Source Troubleshooting” chapter. You will only receive this
message over the HP-IB. On the analyzer, 
P? 
is displayed.
PRINTER: error
Error Number The parallel port printer is malfunctioning. The analyzer cannot
175 
complete the copy function.
PRINTER: not handshaking
Error Number The printer at the parallel port is not responding.
177
PRINTER: 
noton,
 not connected, wrongaddrs
Error Number The printer does not respond to control. Verify power to the
24 
printer, and check the HP-IB connection between the analyzer
and the printer. Ensure that the printer address recognized by
the analyzer matches the 
HP-B3
 address set on the printer itself.
PROBE POWER SHUT DOWN!
Error Number The analyzer biasing supplies to the HP 
85024A
 external probe
23 
are shut down due to excessive current. Troubleshoot the
probe, and refer to the “Power Supply Troubleshooting” chapter.
1 O-56 
Service Key Menus and Error Messages