SPT SD-9239W portable dishwasher makes a buzzing sound during pre-fill drain and draining on all parts of cycles. Washes fine, rinse is good, drain is noisy. Dishwasher is about 4 years old
Dishwashers - Sunpentown - SPT SD-9239W 18" Portable Dishwasher for 8 Place Setting, w/...
Answers & Comments
This is normal. Countertop dishwashers have two motors inside. The drain motor is a inductive type motor. They are noisy. They all work this way during draining.