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 193 of 704

0019-13

Change 1

TB 9-3950-253-13&P

0019

ELECTRICAL SYSTEM – CONTINUED

10. NO STOWAGE FUNCTION (ERROR CODE 30).

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 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 stowage latch harness from valve (WP 0026).

Step 3.

Set battery disconnect switch and ignition switch to ON position.

a.

If error code is not displayed, replace valve (WP 0026).

b.

If error code is still displayed, proceed to Step 4.

Step 4.

Set ignition switch and battery disconnect switch to OFF position.

Step 5.

Disconnect wires 1 and 2 from P3 in relay box.

Step 6.

Set battery disconnect switch and ignition switch to ON position

a.

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

b.

If error code is still displayed, replace relay box (WP 0029).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

0.