ORGANIZATIONAL TROUBLESHOOTING TABLES.

TM 5-4120-386-14

4-13. ORGANIZATIONAL TROUBLESHOOTING TABLES.

Table 4-2. Organizational Troubleshooting.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

NOTE: Before using this table, be sure you have performed all applicable

operating checks.

AIR CONDITIONER

1. AIR CONDITIONER FAILS TO OPERATE

Step 1.

Check to see that main power cable is comected.

Connect cable.

Step 2. Make sure that you are using the correct voltage.

HIGH VOLTAGE is used in the operation of this equipment. DEATH ON

CONTACT may result if personnel fail to observe safety precautions. Never

work on electrical equipment unless there is another person nearby who is

familiar with the operation and hazards of the equipment and who -is

competent in administering first aid. When the technician is aided by

operators, he must warn them about dangerous areas.

Check line voltage with voltmeter for 208 VAC, three phase,

50/60 Hz power.

Step 3.

Inspect main power receptacle connections for breaks.

Replace connector. (Refer to paragraph 4-27.)

Step 4.

Check for loose electrical comections.

Tighten comections.

Step 5. Inspect rotary selector switch for incorrect setting.

(See Table 2-2, Operator Control Setting.)

Turn selector switch to COOL or VENTILATE.