TS Guide 11. VARIABLE (COMSEC OR FH DATA) WILL NOT LOAD

TM 115820890203

TROUBLESHOOTING GUIDES. Continued

3.2.

TS Guide 10. COMSEC ALARM NOT HEARD, OR WILL NOT CLEAR

(EXTERNAL DEVICE) Continued

ACTIONS

CHECKS

STEPS

NO:

Go to 10.15

CX-13292

10.14 Check installation of CX-13292

YES: Install cable and retry

improperly

and try to clear alarm

installed?

N/A

10.15 Remove VAA and set to LOCAL

N/A

Move HS to VAA J2/J3

N/A

Remove cable from MB J3/J4

Alarm clears?

YES: Go to 10.16

Reinstall VAA

NO:

Go to TS Guide 9

Short?

YES: Replace LS-671

10.16 Check continuity at LS-671 J1,

Pin A to Pin J

NO:

Replace CX-13292

N/A

Return to Operational Check

10.17 Connect HS to VAA J2/J3

TS Guide 11. VARIABLE (COMSEC OR FH DATA) WILL NOT LOAD

STEPS

CHECKS

ACTIONS

11.1 Replace fill cable with known

N/A

good fill cable

Load a variable

Variable loads?

YES:

Replaced fill cable is bad

NO:

Go to 11.2

11.2 Replace fill device battery with

N/A

known good fill device battery

Variable loads?

Load a variable

YES: Replaced battery is bad

NO:

Go to 11.3

11.3 Replace fill device with known

N/A

good fill device

Variable loads?

Load a variable

YES: Replaced fill device

is bad

NO:

Replace RT

316