Compressor does not run. 1. check the thermostat position. 1. Setting temp is lower than room temp.
2. check the connection of the lead wire. 2. Disconnection of the lead wire.
3. check the over load protector. 3. O.L.P is faulty
4. check the compressor. 4. Compressor is faulty
Motor does not run. 1. check the connection of the lead 1. disconnection of the lead wire
wire & switch. 2. switch is faulty.
2. check the motor 3. motor is faulty
Low cooling capacity 1. check the refrigerant leakage. 1. Caused by the pipe crack
2. check the evaporator condition 2. shortage of refrigerant
( freezing, blocked with dusts, etc. ) 3. clean the evaporator & air filter.
❈ Difference of temp. exists between
the suction side and the discharge
side at least 12°C
❈ Standard condition
Indoor : 27°C outdoor : 35°C
Noise 1. check vibration of the pipe 1. pipes are contact with the other parts.
2. check the propeller fan and blower 2. the hex. nut is loose
( not loose or broken ). 3. the parts are broken
3. check bearing noise of the motor 4. motor is faulty
4. check the compressor noise against 5. compressor is faulty
that of other compressors.
Samsung Electronics 5-1
5. Troubleshooting
5-1 Special Precautions
5-1-1 Check the voltage of the of power source.
5-1-2 Check weak and fragile parts.
5-1-3 Check the connection of terminals.
5-1-4 When a malfunction occurs:
The input voltage shall be 220 - 240V~ / 50Hz
The air conditioner may not operate properly if the voltage is out of this range.
No
①
➁
➂
➃
Malfunction Check point Causes
AW07A1SE/AW09A1SE-2 3/12/99 5:31 PM Page 5-1
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