Specifications

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Troubleshooting the
Agilent V24/V26 Series
 Reapply power to the monitor and see that fuses do not blow. If the fuses blow again,
replace the Power Supply Assembly (see “Chapter 8 Repairing the Agilent Model
V24CT/V26CT”).
 If the MIDDLE LED (+5Vdc logic supply to System Board) and the RIGHTMOST LED
(12V) are extinguished.
D Turn off power.
E Disconnect the CPU/Power Board cable from the power supply assembly.
F Reapply power.
G Check LEDs. If on, replace the System Board. If off check and replace power switch
assembly or power supply assembly if needed.
 If only the RIGHTMOST LED (+12V/60V) was extinguished and the MIDDLE LED is
on, look to see if message “only 6 slots may be occupied by modules” is displayed on
screen. If the message is displayed, refer to “Parameter Rack/Module Fault (Model
V24CT/V26CT)” on page 14. If the message is not displayed perform the following
steps:
D Turn off power.
E Disconnect the CPU/Power Board cable from the power supply assembly.
F Reapply power.
G Check LED. If on, replace the System Board. If off, check fuse F3. If it is good,
replace the Power Supply Assembly (see “Chapter 8 Repairing the Agilent Model
V24CT/V26CT”). If F3 is blown, replace it. Reapply power to the monitor and
observe the fuse does not blow.