TM 5-6675-323-14
TROUBLESHOOTING PROCEDURES.
4-9.
a . T h e table lists the common malfunctions which you may find during operation or
maintenance of the photointerpreter desk, or its components.
Y o u should perform the
test/inspections and corrective actions in the order listed.
b. This manual cannot list all malfunctions that may occur, nor all test or
inspections and corrective actions.
If a malfunction is not listed or is not
corrected by listed corrective actions, notify your supervisor.
Table 4-2. TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
LIGHT GRID DOES NOT OPERATE.
S t e p 1.
C h e c k that photointerpreter desk power cord is plugged into 120
V, 60 Hz outlet.
Plug in power cord.
S t e p 2.
Check that circuit breaker is properly set.
Reset circuit breaker.
Step 3.
Visually inspect fuse for broken filament.
Replace defective fuse (paragraph 4-10.2).
2.
LIGHT GRID DOES NOT TURN OFF WHEN LEAF IS CLOSED.
Check that leaf is fully closed.
(a)
Fully
close
leaf.
(b)
Refer
to
organizational
maintenance.
4-20
