TM 10-8415-208-12
Table 3-1. Unit Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
Ice Vest Not Circulating Coolant
Step 1. Check that on/off switch (3) is ON
Turn ON on/off switch (3)
Step 2. Check that battery connector (4) and pump connector (5) are connected
Connect battery connector (4) and pump connector (5)
Step 3. Check that a charged battery has been installed
Recharge or replace the battery. Refer to paragraph 3-8. 3
Step 4. Check that temperature regulating valve (6) is open
Open temperature regulating valve (6)
Step 5. Check if pump (7) is running
If pump (7) is malfunctioning, replace the ice vest
Step 6. Inspect coolant supply tubing (8) for blockage
Remove blockage from tubing (8)
Step 7. Ice vest continues to malfunction
Replace the ice vest. Notify your supervisor
3-8
