Samsung AW180, AW240WB0K-CAP Troubleshooting

5. Troubleshooting

Procedures

Check to see whether the electric circuit or electric parts are damaged before repairing the air conditioner.

Conduct the following generally to check whether the electric circuit or other electric parts are damaged.

5-1 Troubleshooting Method and Precautions

5-1-1 Checking of power source

Check to see whether the voltage of the power source is 220V(203~230), 60Hz. The air conditioner may not operate properly if the voltage is out of this range.

5-1-2 Check the parts that be weak or fragile 5-1-3 Check the terminals for proper connection 5-1-4 Refer to the table below when there is any malfunction;

Trouble Checkpoints Possible cause

The compressor does 1. Check the position of the thermostat. 1. The setting temperature is higher than not operate. the room temperature

2. Check the connection of the lead wire. 2. Lead wire disconnected.

3. Check the overload protector. 3. O.L.P. damaged.

4. Check the compressor. 4. Compressor damaged.

The motor does not 1. Check the connection of the lead wire 1. Lead wire disconnected.

¤Ł

operate. and switch.

2. Check the motor. 2. Switch damaged.

3. Motor damaged.

The cooling capacity 1. Check the refrigerant for leak. 1. The leak is caused by a pipe crack.

¤Ø

is low. 2. Check the evaporator condition. 2. Shortage of the refrigerant.

(freezing, clogging with dust, etc.) 3. Clean the evaporator, and air filter. ¡ The temperature difference between

the air inlet side and air outlet side should be 12¡ at the minimum.

¡ Standard state

Indoor : 27¡ , Outdoor : 35¡

Noise 1. Check the vibration of the pipe. 1. The pipe is in contact with other parts.

¤Œ

2. Check the propeller fan and blower for 2. The tightening of the hexagon looseness and weakness. nut is faulty.

3. Check the motor bearing for noise. 3. Damage of the motor.

4. Compare the compressor noise with 4. Damage of the compressor. other compressors.

5-1Samsung Electronics