TM 5-4220-225-14
Table 5-1. Direct Support Troubleshooting Procedures (Cont).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. LOSS OF COMMUNICATION, ONE DIVER (Cont).
Step 3. Inspect umbilical communication cable.
Replace damaged umbilical (para. 4-31).
3. WEAK OR INTERMITTENT SENDING AND RECEIVING, ONE DIVER.
Step 1. Check communications box.
Repair damaged communications box (para. 5-16).
Step 2. Check communications whip.
Replace damaged whip (para. 5-13).
Step 3. Inspect umbilical communication cable.
Replace damaged umbilical (para. 4-31).
4. TOPSIDE DOES NOT RECEIVE ONE DIVER.
Step 1. Check communications box.
Repair damaged communications box (para. 5-16).
Step 2. Check communications whip.
Replace damaged whip (para. 5-13).
Step 3. Inspect umbilical communication cable.
Replace damaged umbilical (para. 4-31).
5. ONE DIVER DOES NOT RECEIVE TOPSIDE.
Step 1. Check communications box.
Repair damaged communications box (para. 5-16).
Step 2. Check communications whip.
Replace damaged whip (para. 5-13).
5-3
