TM 5-6675-317-14
Table 4-2. TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
IMAGES BLURRED, POOR CONTRAST, OR RESOLUTION.
Inspect optical system and glass stage for fingerprints and dirt.
(a) Clean optical surfaces and glass stage.
(b) If problem remains,
notify direct/general support maintenance.
2.
ILLUMINATORS DO NOT WORK. PILOT LIGHT IS OFF.
Step 1.
Check if power cord is not plugged in and POWER switch is off.
(a) Plug in power cord and turn POWER switch on.
(b) Reset circuit breakers.
Step 2.
Visually check fuses for damage or broken filaments.
(a)
(b)
3.
ONE ILLUMINATOR
Replace defective fuses (para 4-10.3).
Refer to direct/general support maintenance.
DOES NOT WORK.
Check if illuminator connector is not properly seated in receptacle.
(a) Seat connector properly.
(b) Replace lamp (paragraph 4-10.2).
(c) If problem remains, notify direct/general support maintenance.
4.
ILLUMINATORS WORK.
PILOT LIGHT IS OFF.
Notify direct/general support maintenance.
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