Installation guide

WS33P027
End
Yes
No
A
Yes
Turn off the system unit
power. Disconnect the
VT320 terminal from the
system unit.
No
Turn on the system unit
power. Check the
diagnostic LEDs.
Does the power-up
self-test complete
successfully?
Yes
Is the right LED
display 1011?
Is the right LED
display 0000?
The terminal or cable
is faulty. Isolate and
replace the bad part.
Replace the system
module.
Troubleshoot according
to the LED codes.
No
Figure 2-8 When the LED display is
0011 1011, 0010 1011, 0001 1011, or
0000 1011, 2 of 2
TROUBLESHOOTING TOOLS 2–25