TM 10-4610-239-24
TM 08580B-24/3
Table 3-1. Direct Support Troubleshooting - Continued
Malfunction
Test or Inspection
Corrective Action
CONTROL BOX ASSEMBLY
1.
A PUMP INDICATOR DOES NOT LIGHT
NOTE
Refer to figure 3-6 for pump indicator circuit support diagram.
Step 1.
Push PANEL LIGHT switch to TEST INDICATOR LIGHTS.
If failed indicator lights, go to step 2.
If failed indicator does not light, go to step 3.
Step 2.
Refer to appropriate detail of support diagram figure 3-6. Check continuity
point-to-point between test points A and B.
If all points have continuity, replace relay listed at test point A. Refer to
If any point-to-point check indicates no continuity, repair cable or
wiring harness. For cable, refer to paragraph 3-17. For wiring harness,
refer to paragraph 3-39.
Step 3.
Refer to appropriate detail of support diagram figure 3-6. Check continuity
point-to-point between test points A and C.
If all points have continuity, go to step 4.
If any point-to-point-check indicates no continuity, replace indicator
lampholder or repair wiring harness. For indicator lampholder, refer to
Step 4.
Push PANEL LIGHT switch to TEST INDICATOR LIGHTS. Check continuity
point-to-point between test points D and E.
If all points have continuity, replace control relay listed at test point A.
Refer to paragraph 3-40.
3-30
