1-6
Localizing the Problem
If Power-Up Checks FAILED
Power-Up Self Test Diagnostics
If the power-up sequence failed, the power-up self-tests can be re-run with the covers off.
The LED’s on the controller board give the results of the power-up self-test.
(a) Remove the instrument covers. Refer to the section "Top and Bottom
Covers", Chapter 8, for details.
(b) Power up the instrument.
(c) Readthe LED sequence given on the controller board. These LED’s can be
read with the shields in place (refer to the diagram below)
Figure 1-3 Self Test LED Location
NOTE For multiple failures, the patterns for each failure will appear in sequence.
Location of LED’s
Front Panel
3210
(View from top)