TM 55-8145-202-14
4-12.
TROUBLESHOOTING TABLE.
Table 4-1. Unit Troubleshooting Instructions.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
REAR DOORS WILL NOT CLOSE.
Step 1. Inspect for torn, loose or damaged door seals in door closure area.
Step 2. Inspect doors for bent, cracked, or worn latch handles and door locking hardware.
Step 3. Inspect door for cracked, bent, or frozen hinges.
If door is damaged or defective, notify direct support maintenance.
2.
WATER WILL NOT DRAIN FROM CONTAINER FLOOR.
Check for clogged or damaged floor drains.
Remove dirt and debris from floor drain. Open rubber drain tube under container floor.
If clog cannot be removed or drain is damaged, replace floor drain (para. 4-27).
3.
TEMPERATURE RECORDER DOES NOT RECORD OR DOES NOT RECORD PROPERLY.
Step 1. Check for loose thermometer element coupling at temperature recorder.
Tighten thermometer element screws on bottom of temperature recorder.
Step 2. Check that temperature recorder stylus is in contact with paper chart.
If stylus is bent or broken, replace temperature recorder (para. 4-15).
Step 3. Inspect thermometer element sensing line for damage.
Step 4. Inspect thermometer bulb (mounted on container front wall) for damage.
4.
TEMPERATURE INSIDE CONTAINER WILL NOT STABILIZE.
Check operation of refrigeration unit (TM 9-4110-258-13).
Troubleshoot refrigeration unit malfunctions in accordance with TM 9-4110-258-13.
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