TB-9-3950-253-13-P

PALLETIZED LOAD SYSTEM TRUCK, M1075 and M1075A1 (PLS) AND HEAVY EXPANDED MOBILITY TACTICAL TRUCK, M1120, M1120A2, AND M1120A4 (HEMTT), ENHANCED CONTAINER HANDLING UNIT (E-CHU)

TECHNICAL BULLETIN; OPERATOR AND FIELD MAINTENANCE, INSTALLATION INSTRUCTIONS, AND REPAIR PARTS AND SPECIAL TOOLS LIST

JULY 2009

TB-9-3950-253-13-P - Page 185 of 704

0019-5

Change 1

TB 9-3950-253-13&P

0019

ELECTRICAL SYSTEM – CONTINUED

3. NO STOWAGE FUNCTION (ERROR CODE 5) – CONTINUED.

NOTE

When ignition switch is turned on after battery disconnect switch has been turned off and

back on, error codes 1 and 24 may alternately display for one minute. This error code

indicates that temporary settings were lost while battery disconnect switch was off, and is

consistent with normal operation.

b.

Set battery disconnect switch and ignition switch to ON position.

c.

If error code is not displayed, replace stowage angle sensor (WP 0034).

d.

If error code displayed, proceed to Step 3.

Step 3.

Check stowage angle harness.

a.

Set ignition switch and battery disconnect switch to OFF position.

b.

Disconnect wires from positions 1, 2, and 3 on P5 in Space 4000 ST box.

c.

Set battery disconnect switch and ignition switch to ON position to reset power.

d.

If error code is still displayed, replace Space 4000 ST box (WP 0029).

e.

If error code is not displayed, replace stowage angle sensor harness (WP 0029).

4. NO STOWAGE FUNCTION (ERROR CODE 6).

Step 1.

Set ignition switch and battery disconnect switch to OFF position (PLS: TM 9-2320-364-14&P,

HEMTT: TM 9-2320-326-14&P).

Step 2.

Disconnect wires from positions 1, 2, 3 and 4 on P3 in Space 4000 ST box.

NOTE

When ignition switch is turned on after battery disconnect switch has been turned off and

back on, error codes 1 and 24 may alternately display for one minute. This error code

indicates that temporary settings were lost while battery disconnect switch was off, and is

consistent with normal operation.

Step 3.

Set battery disconnect switch and ignition switch to ON position.

a.

If error code is not displayed, replace space computer harness (WP 0029).

b.

If error code is still displayed, replace Space 4000 ST box (WP 0029).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

0.