Samsung AW07A, AW07A0SE-CAF Troubleshooting
5. Troubleshooting
5-1 Special Precautions
5-1-1 Check the voltage of the of power source.
The input voltage shall be 220 - 240V~ / 50Hz
The air conditioner may not operate properly if the voltage is out of this range.
5-1-2 Check weak and fragile parts. 5-1-3 Check the connection of terminals. 5-1-4 When a malfunction occurs:
No |
Malfunction |
Check point |
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Causes |
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Compressor does not run. |
1. check the thermostat position. |
1. |
Setting temp is lower than room temp. |
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2. check the connection of the lead wire. |
2. |
Disconnection of the lead wire. |
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3. check the over load protector. |
3. |
O.L.P is faulty |
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4. check the compressor. |
4. |
Compressor is faulty |
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Motor does not run. |
1. check the connection of the lead |
1. disconnection of the lead wire |
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wire & switch. |
2. switch is faulty. |
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2. check the motor |
3. motor is faulty |
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Low cooling capacity |
1. check the refrigerant leakage. |
1. |
Caused by the pipe crack |
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2. check the evaporator condition |
2. shortage of refrigerant |
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( freezing, blocked with dusts, etc. ) |
3. clean the evaporator & air filter. |
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Difference of temp. exists between |
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the suction side and the discharge |
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side at least 12°C |
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Standard condition |
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Indoor : 27°C outdoor : 35°C |
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Noise |
1. check vibration of the pipe |
1. pipes are contact with the other parts. |
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2. check the propeller fan and blower |
2. the hex. nut is loose |
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( not loose or broken ). |
3. the parts are broken |
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3. check bearing noise of the motor |
4. motor is faulty |
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4. check the compressor noise against |
5. compressor is faulty |
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that of other compressors. |
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Samsung Electronics |
5-1 |
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