S .
4
~~!?sho~t~
9
NTROLLER
(200
DPI)
5.4.4
Troubleshooting Procedures
Troubleshooting procedures are pres-
ented
in
the format; Fault Condition
and
Troubleshooting Actions.
Fault
Condition
System will not power-up
with
1640
Controller
installed.
System powers-up,
1640
Controller
BIT
error
is
encountered.
System powers-up, monitor
screen does not display
raster
or
screen
load
Troubleshooting
Action
• 1
640
Controller may
be
defective:
Remove
1640
Controller (200
DPI)
and
re-
boot the system.
If
system powers-up,
1640
Controller may
be
defective.
Run
power-up diagnostics
and
Diagnostic Utility
to
verify system integrity. Verify
1640
Con-
troller
1/0
Address Space switch settings.
(•5.2)
Replace
1640
Controller (200 DPI)
and
perform power-on procedures.
• If system does not power
up
with
1640
Controller removed,
refer
to
associated
system
manual
for
troubleshooting proce-
dures.
•Verify
1640
Controller address setting is
set
to
a valid, nonconflicting
settings.
(•5.2)
Reseat board
and
re-boot the sys-
tem. If
error
continues, replace
1640
Con-
troller.
(•5.6)
•Full
Page
monitor may
be
defective:
Verify monitor cabling
and
that
monitor
is
powered-on (power LED is lit). Refer to
Full
Page
Monitor manual
(7
41-1800)
for
moni-
tor
troubleshooting procedures.
•1640
Controller may
be
defective, replace
controller board.
e
END
741-1859
Page
5··8
COMPANY
CONFIDENTIAL
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