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3 - Troubleshooting
32
Figure 3-1 Sheet 4. Troubleshooting Flowchart
From Sheet 3
Connect controller to the
HPIB port and send
commands to set the
output voltage and
current and readback the
output.
Accepts and reads
back?
Replace A2
No
Run the Performance
Test in Chapter 2.
Yes
Passes test?
Regulation, Transient
Response and ripple
problems are generally
caused by A1
No
There is either no fault
with the power supply or
the problem is not
covered by this
procedure.
Remote Inhibit
OK?
Short RI terminals on
rear of supply and insure
output disables and Prot
annunciator comes on.
Yes
Replace A2
No
Yes