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 201 of 704

0019-21

Change 1

TB 9-3950-253-13&P

0019

ELECTRICAL SYSTEM – CONTINUED

18. NO STOWAGE FUNCTION (ERROR CODE C3).

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.

Internal error in stowage MUX box (control panel). Turn vehicle off and set battery disconnect

switch to OFF position (PLS: TM 9-2320-364-14&P, HEMTT: TM 9-2320-326-14&P).

Step 2.

Set battery disconnect switch to ON position and start vehicle (PLS: TM 9-2320-364-14&P,

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

If error code is still displayed, replace stowage MUX box (control panel) (WP 0029).

19. STOWAGE MOVEMENT IS IRREGULAR (ERROR CODES 8 AND 10).

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.

Internal error within Space 4000 ST Box. Turn vehicle off and set battery disconnect switch to

OFF position (PLS: TM 9-2320-364-14&P, HEMTT: TM 9-2320-326-14&P).

Step 2.

Set battery switch to ON position and start vehicle.

Attempt to operate system. If error code is displayed, replace Space 4000 ST Box (WP 0029).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

0.