| Possible Cause | Test and Remedy |
| 1. Improper Level of cabinet. | Check the level of the refrigerator cabinet and if necessary adjust the level screws at the base of cabinet. |
| 2. Things placed improperly in the refrigerator | Do not over crowd the shelves with bottles and dishes. Otherwise these will make noise. |
| 3. Rattling of tubes | Check all the tubes, If they are touching with each other, adjust or clamp them as necessary. |
| 4. Loose sealed unit or condenser mounting. | Check the mounting of the sealed unit and condenser, if it is loose, tight it. This type of noise generally heard at the starting and stopping of unit. |