Section IV. Troubleshooting - TM-5-4120-339-140028

TM 5-4120-339-14

b. Equipment is Not Ready/Available If: column. This column shall contain the criteria that will cause the

equipment to be classified as not ready/available for readiness reporting purposes. An entry in this column will:

(1) Identify conditions that make the equipment not ready/available for readiness reporting purposes.

(2) Deny use of the equipment until corrective maintenance has been performed.

Section IV. Troubleshooting

3-7.

TROUBLESHOOTING TABLE.

a. The troubleshooting table (table 3-2) lists the most common malfunctions which you may find during the

operation or maintenance of the air conditioner or its components. You should perform the test/inspections and corrective

actions in the order listed.

b. This manual can not list all malfunctions which may occur. However, all tests or inspections and corrective

actions are listed for most common malfunctions. If a malfunction is not listed, or is not corrected by listed corrective

action, notify your supervisor.

Table 3-2. Organizational Troubleshooting

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

AIR CONDITIONER FAILS TO START

Step 1.

Controls not properly set.

Set controls for starting. (Refer to figure 2-1.)

Step 2.

Power supply leads loose or not connected.

Check power supply leads and tighten, or connect leads as required.

Step 3.

Circuit breaker tripped.

Pull, then push circuit breaker knob. (Refer to figure 2-2.)

AIR CONDITIONER NOISY DURING OPERATION.

Step 1.

Panels loose.

Tighten fasteners or replace defective fasteners as required.

3-5