Agilent Technologies HP 8719D Service Manual page 311

POWER SUPPLY HOT!
Error Number The temperature sensors on the A8 post-regulator assembly
21 have detected an over-temperature condition. The power
supplies regulated on the post-regulator have been shut down.
Refer to the "Power Supply Troubleshooting" chapter.
POWER SUPPLY SHUT DOWN!
Error Number One or more supplies on the A8 post-regulator assembly have
22 been shut down due to an over-current, over-voltage, or
under-voltage condition. Refer to the "Power Supply
Troubleshooting" chapter.
PRINTER : error
Error Number The parallel port printer is malfunctioning. The analyzer cannot
complete the copy function.
175
PRINTER : not handshaking
Error Number The printer at the parallel port is not responding.
177
PRINTER: noton,notconnected, wrong addrs
Error Number The printer does not respond to control. Verify power to the
printer, and check the HP-IB connection between the analyzer
24
and the printer. Ensure that the printer address recognized by
the analyzer matches the HP-IB address set on the printer itself.