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Troubleshooter - Refrigerate-freeze combi

5Possible solutionStep 5 Common of 5
These are normal operating sounds. Regular defrosting of the rear wall (2-10* per day) temporarily increases the temperature of the evaporator, which is located in the rear wall, so the insulation material and the coolant pipes expand and contract again. This defrosting cycle causes this noise so nothing technical can be done about it. Experience has shown that this noise decreases over time.

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