ARMY TM 5-6675-238-14
MARINE CORPS TM 08839A-14/1
Table 8-6. PADS Test Set Self-Test Procedure - Continued
Malfunction indication/
Test procedure
Normal indication
corrective action
j. If -15V is not present, check for 115
VAC between terminals 1 and 2 of
PS4
k. If 115 VAC is not present between
terminals 1 and 2 of PS4, check R4
and replace as necessary
l. If 115 VAC is present and -15V is
not present at output of PS3 between
W8 and W9, disconnect Z4 and
recheck -15V at W8 and W9
m. If -15V is still not present, replace
PS4
n. If -15V is not present between W8
and W9, adjust Z4 according to pro-
cedure 8-23g
o. If Z4 cannot be adjusted, replace Z4
FAILURE/ACTION
indicator se-
i. Press EXECUTE switch-indica- EXECUTE
tor to on
flashes
a.
b.
c.
quences numbers and blanks correctly
but some of the displayed numbers are
incorrect:
If wrong numbers are displayed in
either FAILUR/ACTION indicator
module, switch connectors at bottom
of DS10
If after switching connectors on
DS10, wrong numbers still displayed
in same module, replace that module
If after switching connectors, the
wrong numbers are displayed in other
module, replace A3 then A1
FAILUR/ACTION indicator does not
sequence properly: Replace A3
FAILUR/ACTION indicator does not
display:
a. Replace FAILURE/ACTION indica-
tor DS10
b. If still no display, replace A3
switch-indicator EXECUTE switch-indicator does not
flash: Replace Al then A3
NOTE
It may be necessary to press EXE-
CUTE switch-indicator twice.
8-49