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2-7. Sound
Problems | Causes |
| Checks |
| Measures | Remarks |
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"Whizz" sound | 1. Loud sound of compressor | 1.1 Check the level of the | 1) | Maintain horizontal level. |
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| operation. |
| refrigerator. | 2) | Replace rubber and seat if they |
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| 1.2 | Check the rubber seat |
| are sagged and aged. |
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| conditions (sagging and aging). | 3) | Insert rubber where hand contact |
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| reduces noise in the pipe. |
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| 2. Pipes resonat sound which is | 2.1 Check the level of pipes | 4) | Avoid pipe interference. |
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| connected to the compressor. |
| connected to the compressor | 5) | Replace defective fan and fan |
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| and their interference. |
| motor. |
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| 2.2 | Check rubber inserting | 6) | Adjust fan to be in the center of |
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| conditions in pipes. |
| bell mouth of the fan guide. |
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| 2.3 | Touch pipes with hands or screw | 7) | Leve a clearance between |
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| interfering parts and seal gaps in |
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| sound). |
| the structures. |
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| 8) | Reassemble the parts which make |
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| 3. Fan operation sound in the freezer | 3.1 Check fan insertion depth and |
| sound. |
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| compartment. |
| blade damage. | 9) | Leave a clearance if evaporator |
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| 3.2 | Check the interference with |
| pipes and suction pipe touch |
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| structures. |
| freezer shroud. |
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| 3.3 | Check fan motor. |
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| 3.4 | Check fan motor rubber insertion |
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| and aging conditions. |
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| 4. Fan operation sound in the | 4.1 Same as fan confirmation in the |
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| compressor compartment. |
| refrigerator. |
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| 4.2 | Check drip tray leg insertion. |
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| 4.3 | Check the screw fastening |
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| conditions at condenser and |
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| drip tray. |
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