TM 10-5410-221-14/1
Table 4-2. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. WATER LEAKAGE INTO SHELTER
Step 1. Check for damaged weather seal assemblies.
Replace damaged seal assemblies as outlined in panel disassembly paragraphs, section I and II, chapter
8.
Step 2. Check for loose or improperly positioned seal assemblies.
Position seal assemblies to cover joints in shelter and secure.
2. CIRCUIT BREAKER TRIPPED
Step 1. Test for overload or shorts in electrical circuit (see procedures outlined in table 5-1) using a multimeter or
other checking device (para 11-2).
Reset circuit breaker by pushing reset button on control panel. If the circuit breaker will not stay set
correctly, report the condition to Direct Support Maintenance for removal and replacement.
Step 2. Check circuit breaker for malfunction using multimeter or other checking device (para 11-2).
Report condition to Direct Support Maintenance for removal and replacement.
3. NO ELECTRICAL POWER INSIDE SHELTER
Step 1. Check for tripped circuit breaker, and test circuit for overload condition and shorts with a multimeter or other
checking device (para 11-2).
Reset circuit breaker by pushing reset button on control panel. If the circuit breaker will not stay set
correctly, report the condition to Direct Support Maintenance for removal and replacement.
Step 2. Check to ensure external power source is connected.
Connect external power source.
Step 3. Test power input cable assemblies for continuity, using a multimeter or other checking device (para 11-2).
Replace defective cable(s).
WARNING
Personnel must observe extreme caution to avoid contact with electrical circuits when power source is
connected. In case of accident from electrical shock, disconnect power source at once. If power source
cannot be disconnected, free victim from live conductor with a board or other nonconductor. If victim is
unconscious, apply artificial respiration and obtain medical help.
4. NO HOT OR COLD WATER INSIDE SHELTER
Step 1. Check to insure external water source is connected.
Connect water hoses to water source connections.
Step 2. Check dual water hose heater receptacle, or water tunnel heater circuit breaker tripped or dual water hose
heater defective (shelter used in areas having ambient temperature below 38F. (3C. only). Check circuit
for overload condition and shorts using a multimeter or other checking device (para 11-2).
Reset circuit breaker by pushing the reset button on the control panel. If the circuit breaker will not stay
set correctly, report the condition to Direct Support Maintenance for removal and replacement.
5. WASTE WATER WILL NOT DRAIN OR DRAINS SLOWLY
Step 1. Check for clogged lines or drain hoses.
Clean the hose assembly by blowing out with compressed air. Large obstructions in the hose shall be
removed using a plumbers snake or other suitable cleaning tool.
Step 2. Check for dirty filter screen in sump.
Remove screen by removing clamps which secures cover to sump and clean screen assembly by
washing with clean water under slight pressure and hitting against a solid surface using care not to
damage screen assembly. Reinstall screen, cover and clamp.
Step 3. Check for tripped sump pump circuit breaker, and, test for over load condition and shorts using a multimeter
or other checking device (para 11-2).
Reset circuit breaker by pushing reset button on control panel. If the circuit breaker will not stay set
correctly, report the condition to Direct Support Maintenance for removal and replacement.
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