If The Self-Test Fails To Run - Agilent Technologies 8511B Operating And Service Manual

Table 6-3
Self-Test Indication
PWON
Start ROM Test
Pass ROM Test
Start RAM Test
Pass RAM Test
If the Self-Test Fails to
Run
Self-Test Failure Indications
A4 GPIB LEDs
LSN TLK
ON ON
OFF ON
OFF OFF
OFF OFF
OFF OFF
If the portion of memory which contains the self-test programming is faulty,
the self-test will not run properly. The following conditions indicate that the
GPIB board is most probably faulty.
•
all LEDs flash briefly and go off
•
all LEDs flash briefly and stay on
•
ACTIVE LED goes on too soon
•
ACTIVE LED does not go on
SRQ REM
ON ON
ON ON
ON ON
OFF ON
OFF OFF
Agilent 8511B Test Set Operating and Service Manual 6-9
Test Set Troubleshooting
Troubleshooting Procedures
Time (after turn-on)
0 to 0.5 seconds
on briefly
0.5 to 2.0 seconds
after 2 seconds