ARMY TM 5-6675-238-14
MARINE CORPS TM 08839A-14/1
Table 8-6.1. PADS Test Set Self-Test Procedure Using Tape Reader, Part No. 877406-2 - Continued
Malfunction
Test procedure
Normal indication
indication/corrective action
i. Press and hold LAMP TEST All lamps illuminate except ENTER No indicator or switch-indicator
switch to check indicators and
and LAMP TEST, and the FAIL-
lights:
switch-indicators, then release
URE/ACTION indicator remains
blank for at least 1.5 seconds.
a. Press SELF TEST switch-indica-
FAILURE/ACTION indicator se-
tor
quentially displays the following
b. Press and hold LAMP TEST
within 15 seconds after pressing
switch to recheck if indicators
LAMP TEST switch:
light
INDICATION
c. If none of the indicators light,
check LAMP TEST switch (S1)
Blank
and SELF TEST switch-indicator
(DS12) and replace as necessary
30
Some indicators or switch-indicators
do not light: Replace applicable
indicator or indicator-switch bulb
20
FAILURE/ACTION indicator does
not remain blank for 1.5 seconds:
Blank
a.
88
b.
Blank
c.
32
Blank
d.
77
e.
Check + 15V and - 15V fuses,
replace if necessary
Check PS3 output voltage at
W7(+) and W8(-) for + 15V
If + 15V is not present, check for
115 VAC between terminals 1
and 2 of PS3
If 115 VAC is not present be-
tween terminals 1 and 2 of PS3,
check K1 for being energized and
check R3 and repair as necessary
If 115 VAC is present and + 15V
is not present at output of PS3
between W7 and W8, disconnect
Z3 and recheck + 15V at W7 and
W8
f.
8-54.4
Change 1
If + 15V is still not present, re-
place PS3
