TM 11-6625-1831-13
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
12. BITE GO indicator fails to turn off.
Step 1.
Check Oscillator and Switch Module 1A2 by replacing it.
Replace if defective (para 5-6).
Step 2.
Check wiring. Test for a short circuit to ground between test set ground (XA2-15) and XA2-U
(output to BITE GO indicator).
Repair short circuit (para 5-14).
13. BITE NO/GO indicator fails to light.
Step 1.
Check indicator by replacing it.
Replace if defective (para 5-6).
Step 2.
Check Oscillator and Switch Module 1A2 by replacing it.
Replace if defective (para 5-6).
Step 3.
Check wiring. Test for open circuit between XA2-T and BITE NO/GO indicator
Repair open circuit (para 5-14).
14. BITE NO/GO indicator fails to turn off.
Check Oscillator and Switch Module 1A2 by replacing it.
Replace if defective (para 5-6).
15. Indicators fail to light (except PWR ON).
Step 1.
Check PANEL LIGHTS TEST switch. Press and hold PANEL LIGHTS TEST switch S9. Test
for continuity between terminals 2 and 3 of the switch.
Replace switch if defective (para 5-6).
Step 2.
Check Oscillator and Switch Module 1A2 by replacing it.
Replace if defective (para 5-6).
Step 3.
Check indicator by replacing it.
Replace if defective (para 5-6).
Step 4.
Check wiring. Test continuity between XA2 and indicator. See schematic for pin number.
Repair open circuit as necessary (para 5-14).
16. PWR ON indicator fails to turn on.
Step 1.
Check indicator by replacing it.
Replace if defective (para 5-6).
Step 2.
Check wiring. Test for open circuit between XA3-H and one terminal of PWR ON indicator.
Also test between the other indicator terminal and test set ground.
Repair open circuit as required (para 5-14).
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