TM 9-4931-374-13&P
3-8. TROUBLESHOOTING INFORMATION (cont)
Table 3-1. Troubleshooting (cont).
MALFUNCTION
TEST OR INSPECTION
LOCATION
CORRECTIVE ACTION
CABLE ADAPTER ASSEMBLY
3. ENVIRONMENTAL CONTROL UNITS OR EXHAUST FANS DO NOT OPERATE
CORRECTLY.
Step 1. Check that power source is connected according to instruc-
tions on the warning plate (p 2-23).
With power source off, make connections speci-
fied on warning plate.
Step 2. Check cable adapter assembly for open circuits.
With power source off, disconnect cable adapter
assembly and make an ohmmeter check of each phase
through the cable from pin end to socket end. Repair
as required (p 3-287).
120/208V CABLE ASSEMBLY
4. ENVIRONMENTAL CONTROL UNITS OR EXHAUST FANS DO NOT OPERATE
CORRECTLY.
Step 1. Check that electrical power to the shelter is connected
according to instructions on the warning plate
With power source off, make connections speci-
fied on warning plate.
3-8
