TM 10-3930-675-24-1
TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED
0007 00
Table 2. Electrical Troubleshooting Procedures (Non-Error Code) - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
24.Proximity Switches - Tophandler and Cab - 6. Check voltage. With the If no voltage (24V) or LED
Continued.
ignition on, activate the side of indicator when activated, replace
cab proximity switch (7210) proximity switch (WP 0076 00).
with a piece of metal. Check
voltage (24V) between X175
pin 2 and 3 (WP 0048 00-30).
Check LED indicator.
25. Normal Functions Operate in Blackout 1. Check for horn operation in a. If horn operates, remove relay
Mode.
blackout mode.
3016 and test WP 0113 00).
b. Replace damaged or faulty
relay (WP 0074 00).
2. Check for backup lights/alarm a. If backup lights/alarm operate,
in blackout mode.
remove relay 3011 and test
(WP 0113 00).
b. Replace damaged or faulty
relay (WP 0074 00).
3. Check for boom work light a. If boom work lights operate,
operation in blackout mode.
remove relay 3013 and test
(WP 0113 00).
b. Replace damaged or faulty
relay (WP 0074 00).
4. Check for stoplight operation a. If stoplights operate, remove
in blackout mode.
relay 3010 and test (WP 0113
00).
b. Replace damaged or faulty
relay (WP 0074 00).
5. Check operation of the parking a. If seat buzzer operates, remove
brake warning seat buzzer in
relay 3016-1 and test (WP
blackout mode.
0113 00).
b. Replace damaged or faulty
relay (WP 0074 00).
26. Multiple Boom or Tophandler Functions Not 1. Check for the following
a.
For a, proceed with step 3.
Working (Multiple Error Codes).
groups:
b.
For b, proceed with step 4.
a. No
boom
functions,
c.
For c, proceed with step 5.
hydraulic pumps engaged
d.
For b and c, proceed with step
when cranking (slow or hard
6.
crank), cooling fan at full
speed. Multiple error codes.
0007 00-61
