TM 9-2320-272-10
Table 3-1. Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
39.
CEILING LIGHTS AND SERVICE RECEPTACLES FAIL TO ENERGIZE WHEN DOORS ARE CLOSED UNDER
BLACKOUT CONDITIONS (110 VOLT SYSTEM).
Step 1.
Check to see if blackout circuit switch and/or main circuit breaker switches are turned off (para. 2-27).
If off, turn on switches.
Step 2.
Check to see if blackout switch is turned off.
If off, turn on blackout switch.
Step 3.
Check outside power cable for secure connections if electrical power is supplied from outside source.
If not, connect power cable securely to power entrance receptacle and power source.
40.
EMERGENCY LIGHT, BLACKOUT LIGHT, AND CEILING LIGHTS FAIL TO ILLUMINATE (24 VOLT SYSTEM).
Step 1.
Check to see if main circuit breaker and/or light switches are turned off.
If not, turn on main circuit breaker or light switches.
Step 2.
Check outside power cable for secure connections if electrical power is supplied from outside source.
If not, connect power cable securely to power entrance receptacle and power source.
41.
HEATER WILL NOT IGNITE.
Step 1.
Check to see if main circuit breaker and/or heater switches are turned off (para. 2-27).
If off, turn on main circuit breaker or heater switches.
Step 2.
Check to see if thermostat is set to desired temperature.
If not, set thermostat properly.
Step 3.
Check fuel level on fuel gauge.
Fill fuel tank(s) as necessary.
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