TABLE 7-7. EU FAIL CODE INDEX

TM 9-4931-381-14&P-1

TSTS TROUBLESHOOTING PROCEDURES

TABLE 7-7. EU FAIL CODE INDEX

CORRECTIVE

CODE

DISPLAY

ACTION

UNRESOLV- EU cannot be repaired at this level. Turn in EU to next higher level of

ABLE FAULT maintenance.

2. 1 .0. 1

Do procedure in figure 7-19.

EU cannot be repaired at this level. Turn in EU to next higher level of

2. 1 .0.2

maintenance.

Do procedure in figure 7-19.

2.1.0.3

Do procedure in figure 7-19.

2. 1 .0.4

Do procedure in figure 7-19.

2. 1 .0.5

2. 1.0.6

Do procedure in figure 7-19.

2.2.0.0

EU cannot be repaired at this level. Turn in EU to next higher level of

maintenance.

2.2.0.1

Replace BITE circuit card assembly A1; refer to TM 9-1200-206-34-2-2, para. 3-8.

2.2.0.2

Replace reticle data processor circuit card assembly A2; refer to

TM 9-1200-206-34-2-2, para. 3-8.

2.2.0.3

EU cannot be repaired at this level. Turn in EU to next higher level of

maintenance.

Replace relay K2; refer to Remove and Install Relay K1, K2, K3, or K4;

2.2.0.4

TM 9-1200-206-34-2-2, para. 3-8.

2.2.0.5

Replace relay K4; refer to Remove and Install Relay K1, K2, K3, or K4;

TM 9-1200-206-34-2-2, para. 3-8.

2.2.0.6

Do procedure for faiI code 2.2.0.4 and fail code 2.2.0.5.

2.3.0.1

Do procedure for faiI code 2.2.0.1.

2.3.0.2

EU cannot be repaired at this level. Turn in EU to next higher level of

maintenance.

2.4.0.0

EU cannot be repaired at this level. Turn in EU to next higher Ievel of

maintenance.

Figure 7-17. (Sheet 27 of 29)

Volume Ill

7-122