Table 3-1. OPERATOR TROUBLESHOOTING

TM5-4120-384-14

3 - 2 . USE OF TROUBLESHOOTING TABLE.-Continued

The operator should first find the malfunction symptom which

Then perform the

most closely describes the immediate situation.

test, inspection, and corrective action steps in the order in which

listed.

This manual cannot list all possible malfunction symptoms

that may be encountered, nor can it list all possible test,

If a

inspection, and corrective action steps that may be taken.

malfunction occurs for which no symptom is listed, or if the listed

corrective actions do not resolve the trouble, notify your

supervisor.

Troubles or corrective actions beyond the scope of operator

capabilities must be reported to organizational maintenance.

Table

3-1.

OPERATOR TROUBLESHOOTING

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

AIR CONDITIONER DOES NOT START IN ANY MODE.

Check that input power has not been disconnected.

Step

During cool weather do not start in COOL mode for four

hours. Damage to the equipment may result if personnel

fail to observe precautions.

Step

C h e c k if CONTROL CIRCUIT BREAKER or COMPR CIRCUIT

BKR has tripped.

Reset

circuit

breaker(s).

2. REDUCED COOLING CAPACITY.

Step

Check that MODE SELECTOR switch is turned to COOL.

Turn switch to COOL.

3-2 Change 1