TM 5-3610-287-24
Table 2-3.
Organizational Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3.
EMERGENCY LIGHT SET LAMPS ARE DIM OR FAIL TO LIGHT WHEN TESTED (CONT)
If reading is not O ohms, replace toggle switch (para
If reading is O ohms, replace circuit card (para 2-21).
Step 6.
Reading should be
Test voltage at battery terminals.
6.5 0.3 Vdc.
If reading is less than 6.2 Vdc, replace battery (para
4.
AIR CONDITIONER/HEATER DOES NOT OPERATE.
Check that circuit breakers in power panel and front of air
Step 1.
conditioner/heater are ON.
Set circuit breakers to ON.
WARNING
HIGH VOLTAGE. When working on high voltage
components, always have an additional person
present. Keep one hand away from equipment to
reduce hazard of current flowing through vital
organs of body. Remove all jewelry from
fingers, wrists, and neck before working on
electrical components. Failure to observe this
warning may result in death or serious burns.
Turn air conditioner/heater to OFF. Disconnect power cable
Step 2.
from front panel. Test voltage from ground (connector pin
D) to connector pins A, B, and C in cable plug. All three
readings should be 110 10 Vat.
If voltage is correct, troubleshoot air conditioner/
heater unit in accordance with TM 5-4120-367-14.
If voltage is incorrect, troubleshoot circuit breaker
(malfunction 14).
