Table 3-1. OPERATOR TROUBLESHOOTING

TM5-4120-383-14

3-2.

USE OF TROUBLESHOOTING TABLE.-Continued

The operator should first find the malfunction symptom which

most closely describes the immediate situation. Then perform the

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

listed.

c. 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.

d. Troubles or corrective actions beyond the scope of operator

capabilities must be reported to organizational maintenance.

OPERATOR

TROUBLESHOOTING

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

AIR CONDITIONER DOES NOT START IN ANY MODE.

Step 1.

Check that input power has not been disconnected.

Connect input power.

During cool weather do not start in COOL mode

for four hours.

Step 2.

Check if CONTROL CIRCUIT BREAKER or COMPR CIRCUIT

BKR has tripped.

Reset circuit breaker(s).

2. REDUCED COOLING CAPACITY.

Step 1.

Check that MODE SELECTOR switch is turned to COOL.

Turn switch to COOL.

3-2