Slurping noise heard at the beginning of a cycle?
Cause and Symptoms
Residual water is drained at the beginning of a cycle. Heated and sterilized water remains inside the tub after every wash is completed to prevent food odor and contamination backwashing from the drain hose.
Relatively loud humming or slurping noise may be heard once the drain pump idles due to no residual water left inside the tub.
This is not considered a defect and product is safe to use.