Slight cracking sound from unit

Was bedeutet Slight cracking sound ?

You hear a slight cracking sound from the unit. This sound is caused by heat expansion or contraction of the plastic and metal parts as the unit heats up or cools down, which is normal.

• Heat expansion or contraction of materials (normal operation)

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1. 1

   This is a normal operational sound and does not indicate a fault.

2. 2

   No action is typically required for this sound.

3. 3

   Ensure the unit is installed correctly and not under any undue stress.

4. 4

   If the cracking is very frequent or unusually loud, you may contact your dealer for reassurance.

5. 5

   Do not try to open the unit to investigate cracking sounds.