TM 5-3800-205-23-1
TROUBLESHOOTING PROCEDURES - CONTINUED
0007 00
Table 5. Electrical System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
a. Repair or replace damaged
3. Check wiring harness and
3. Blackout Drive Light(s) Do Not Operate When
wires or connectors (WP
connectors for damage,
B.O. MARKER Function is Selected -
continuity and proper voltage
Continued.
of 24 +/- 6 Vdc.
b. If problem still exists, go to
test step 4.
4. Check light switch
for
Replace light switch (WP 0044
damage and continuity.
NOTE
Lamps will not operate if machine is in blackout mode.
a. Select STOP LIGHT or SER.
4. Cutting Edge/Bowl Work Light Inoperative.
1. Check if STOP LIGHT or
DRIVE.
SER. DRIVE function has
been selected on lighting key
pad.
b. If problem still exists, go to
test step 2.
a. Replace fuse (WP 0040 00)
2. Check for blown fuse and/or
if required.
tripped B.O. drive light circuit
breaker.
b. If circuit breaker does not
reset after thirty (30)
minutes, replace circuit
breaker (WP 0038 00).
c. If problem still exists, go to
test step 3.
3. Check work lights for damage
a. Replace burned out/damaged
or burned out lamps.
lamps (WP 0057 00 or TM
5-3800-205-23-2).
b. If problem still exists, go to
test step 4.
a. Repair or replace damaged
4. Check wiring harness and
wires or connectors (WP
connectors for damage,
continuity and proper voltage
of 24 Vdc.
b. If problem still exists, go to
test step 5.
5. Check flood enable relay for
Replace flood enable relay
damage or shorts.
