TM 5-3895-385-23-1
0165
Table 1. Beacon Light Fails to Operate Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Check fault screen for LEFT
1. If fault is found, proceed to WP
CONSOLE BEACON KEYPAD
fault.
2. If no fault is found, proceed to
next test.
6. Check fault screen for BEACON
1. If fault is found, proceed to WP
RELAY fault.
2. If no fault is found, proceed to
next malfunction.
2. Beacon light faulty.
1. Turn beacon on (TM 5-3895-
385-10).
2. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 22
3) from W1 J49 on beacon to
Volts Direct Current (VDC), turn
known good ground (WP 0393,
keyless engine switch to the
Vol 2).
OFF position (TM 5-3895-385-
10), and replace beacon light
(WP 0432, Vol 2).
2. If voltage reads below 22 VDC,
turn keyless engine switch to
the OFF position (TM 5-3895-
385-10), and proceed to next
malfunction
3. Fuse blown.
1. Access fuse box (WP 0277, Vol
2).
2. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) across beacon fuse
to next malfunction.
(WP 0447, Vol 3, Figure 1).
2. If no continuity is present,
replace beacon fuse (WP 0277,
Vol 2).
4. Relay malfunction.
1. Access beacon relay (WP 0277,
Vol 2).
2. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
0165-2
