Table 5. Electrical System Troubleshooting Procedures - continued

TM 9-2320-391-10

ELECTRICAL SYSTEM TROUBLESHOOTING - Continued 0069 00

ELECTRICAL SYSTEM Continued

Table 5. Electrical System Troubleshooting Procedures Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

121. M1079A1 110 VAC

2. Check to see if 110

1. Position BLACKOUT OVERRIDE

OUTLETS J232

VAC outlets J232 and

switch to ON (WP 0031 00).

AND J233 DO NOT

J233 operate in

OPERATE IN

blackout override

BLACKOUT

mode.

OVERRIDE MODE -

Continued

2. Connect any known good 110

VAC appliance to 110 VAC

outlet J232 or J233.

3. Check for 110 VAC appliance

operation.

4. If 110 VAC outlet J232 or

J233 does not operate in

blackout override mode,

notify Field Maintenance.

5. Disconnect 110 VAC appliance

from 110 VAC outlet.

122. M1079A1 110 VAC

1. Check 110 VAC outlet

1. Connect any known good 110

OUTLET J231

J234 for operation.

VAC appliance to 110 VAC

DOES NOT

outlet J234.

OPERATE IN

NORMAL MODE

NOTE

When either door or any blackout shield is open, van will not have AC

power unless BLACKOUT OVERRIDE switches are activated.

During blackout override only two forward AC outlets (J232 and J233) will have power.

2. Check for 110 VAC appliance

operation.

0069 00-117