TM 9-2330-227-14&P
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. ONE OR MORE, BUT NOT ALL LIGHTS WILL NOT WORK
Check switches to make sure they are on. If switches are off, turn
Step 1.
on (page 2-8).
NOTE
Perform troubleshooting steps 2 thru 4 for all lights not working.
Go to light not working and pull cover off lens. Take out
Step 2.
lamp.
If there are obvious signs of damage to lamp or sockets,
disconnect power supply and notify Direct Support Maintenance.
Using multimeter set to read voltage, put red probe on contact
Step 3.
for lamp socket and black probe on ground.
If multimeter does not read approximately 110-vac,
replace lamp (page 4-31).
Using multimeter set to read voltage, put red probe on
Step 4.
power wire coming into light assembly and black probe on
ground wire.
If multimeter does not read approximately 110-vac,
replace light assembly (page 4-31).
Disconnect power source. Using multimeter set to read continuity,
Step 5.
put red probe on one end of wire for light closest to
rear and black probe on the other end of wire on the same side
where it connects to closest working light in that row.
a. If multimeter shows no continuity, wire needs replacement.
Notify Direct Support Maintenance.
b. If multimeter shows continuity, wire on other side
needs replacement. Notify Direct Support Maintenance.
Repeat step 5 for lights in the other row.
Step 6.
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