The filter is the #1 cause of drainage problems, responsible for approximately 65% of clogs. How to Unclog a Dishwasher Drain in 5 Steps - Whirlpool

Water and electricity are a dangerous combination. Before you put your hand anywhere near the bottom of the machine:

A clogged dishwasher is more than an inconvenience; it can lead to standing water, unpleasant odors, and poorly cleaned dishes. Most drainage issues are caused by a , a blocked drain hose , or food debris in the pump area .

At this point, the clog is likely in the main household drain line beyond the P-trap, or you have a faulty drain pump (the motor that pushes the water out).

If you see pooled water at the bottom of your machine, you must remove it to access the drainage components.

: Remove the bottom rack. Use a cup to scoop water into a bucket, then soak up the remaining liquid with a sponge or old towels. 2. Clean the Dishwasher Filter (Most Common Fix)