Service and Repair
5
Agilent L4532A/ 34A Service Guide
77
Procedure
1
Remove all inp ut con n ection s t o t he digitizer. Cycle p ower t o r eboot
t h e digitizer an d r u n t he p ower- on self test.
2
Make a con n ection t o t he digitizer u sin g t he r emot e in ter face (see
p age 35
).
3
En t er t he Remot e Con tr ol Page an d select t he
Utilities
t ab.
4
Use t he
View Errors
bu tt on an d an swer
YES
to view any p ower- on self
test er ror s. Th is also clear s all er r or s.
5
Click t he
Run self-test
bu tton to begin t he fu ll self test.
The fu ll se lf t est will t a ke a p p r oxima t e ly 60 se con d s t o co mp le t e a n d yo u may
h ea r t he d igit ize r in t e r n a l r e lays swit ch in g d u r in g t he p r oced ur e . If t he
self-t est is su cce ssful
Self-test Passed
is r e p or t e d on t h e
Utilities
t a b . If t he se lf-t est
is n ot su cce ssful Se lf-t est Fa ile d is r e p o r t ed followed by t he self-t e st e r r or
messa ge s. The self-t e st er r or messa ges a n d t he ir me a n in g a r e shown b egin n in g
on t h e n e xt p a ge .
Self Test Error Numbers and Messages
A failu r e can gen er ate mu ltip le er ror messages. The ear liest messages
gen er at ed shou ld be con sider ed th e pr imar y cau se of t he failur e.
If the same error message occurs on all channels, the Digital Board is the most
likely failure. The Digital Board contains the source that is switched to test the
Analog Boards.
N O T E
Some self test messages include a channel number. The channel number, n, will
be replaced with a number from 1 to 4 depending upon which channel failed.
N O T E