Check The Line Voltage, Selector Switch, And Fuse - Agilent Technologies HP 8719D Service Manual

If the Green LED of the Al6 is Off or Blinking
If the green LED is not on steadily, the line voltage is not enough to power the
analyzer.

Check the Line Voltage, Selector Switch, and Fuse

Check the main power line cord, line fuse, line selector switch setting, and
actual line voltage to see that they are all correct. F'igure 64 shows how to
remove the line fuse, using a small flat-blade screwdriver to pry out the fuse
holder. J?igure 5-2 shows the location of the line voltage selector switch. Use a
small flat-blade screwdriver to select the correct switch position.
If the Al5 green LED is still not on steadily, replace A16.
Power Supply Troubldooti~
Removing the Line Fbse