Whirlpool Quiet Partner 1 Filter Cleaning Guide

Quick Answer

The filter in your Quiet Partner 1 is the gatekeeper that keeps food debris from sandblasting your clean plates. If your dishes feel gritty or the bottom of the tub has standing water, that mesh screen is likely clogged or torn.

A clogged filter is honestly the first thing I check when someone calls me about gritty dishes or standing water. Most of the time that's all it is. But ignore it long enough and that debris works its way past the screen and into your drain pump. I've replaced three pumps this month that were totally preventable. Clean your filter and you'll probably never need to call a tech.

WhirlpoolDishwasherSeverity: moderateDifficulty: easy98% DIY Success

Time to Fix

10–20 min

Difficulty

easy

Parts Cost

$15 – $45

Tools Needed

Soft brush or old toothbrush, Mild dish soap

What Does the FILTER-SCREEN Code Mean?

The Quiet Partner 1 uses a manual-clean filter system instead of a food grinder, which is why it runs so quietly. That's great for noise but it means you've gotta clean the filter yourself. Neglect it and you're looking at soggy dishes, bad smells, and eventually a pump repair that'll run you $250-$350 installed. The filter itself is maybe twenty bucks if it needs replacing.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Food and organic debris buildup55%

Mineral scale from hard water20%

Physical damage or tears15%

Grease and soap scum clogs10%

Symptoms You May Notice

Gritty, sand-like particles stuck to plates and bowls even after a full hot wash
Cloudy glassware that used to come out sparkling clean
An inch or two of standing water sitting in the bottom of the tub when the cycle ends
A funky, sour smell when you first crack the door open after a cycle
You can actually see food particles or cloudy brown slime on the mesh when you look down at the tub floor

Tools Required for Diagnosis

Soft brush or old toothbrushMild dish soapWhite vinegar (for heavy scale buildup)FlashlightToothpick or small wire (for clearing spray arm holes)Rubber gloves (optional, but helpful if the filter is really built up)

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name	OEM Number	Estimated Price
Fine Mesh Filter PlateWP8573031 · $25–$45	WP8573031	$25 – $45
Coarse Filter AssemblyWP8268397 · $15–$30	WP8268397	$15 – $30

Frequently Asked Questions

How often should I clean the Quiet Partner 1 filter?

Honestly it depends on how you use it. If you're loading plates straight from the table without scraping them, check that filter once a month. Pre-rinsing everything and only running a couple loads a week? You can probably stretch it to every three or four months. When in doubt, just pull it out and look. Takes thirty seconds and it'll tell you everything you need to know.

Can I run the dishwasher without the filter screen?

No. Just don't. I know it's tempting if the filter's torn and you need to run a load right now, but those food particles and glass shards will head straight for your drain pump. The pump impeller is spinning at high speed and it can't handle solid debris. I've seen pumps destroyed in a single cycle by someone who ran it without the filter. A replacement filter runs about $18-$25. A new pump with labor is $250-$350. Not worth the gamble.

Why is there still grit on my dishes after cleaning the filter?

Check your spray arms. If the filter was torn or sitting crooked for a while, debris has been circulating through the whole system and some of it probably got into the spray arm holes. Pull both arms off and look through the holes toward a light source. Any plugged holes? Use a toothpick to clear them. Also check that the spray arms spin freely on their bearings because if they're not rotating properly, you're getting uneven coverage and that shows up as grit too.

Do I need an OEM filter or is aftermarket okay?

For these older Quiet Partner models, aftermarket is usually fine. The Whirlpool OEM part number is WPW10164223 if you want to go genuine. I've used a few different aftermarket ones and most work well, but I have seen some cheaper ones where the plastic frame warped after a few months of high-heat cycles, which messes up the seal and defeats the whole purpose. Spend the extra two or three bucks for a mid-range brand rather than the cheapest option on the shelf.

What if my filter housing looks cracked or broken?

Stop running the machine until you fix it. A cracked housing means water is bypassing the filter entirely and all that debris is going straight to your pump. The housing assembly usually runs $15-$30 and it's a straightforward swap once you've got the filter out. If the crack is really minor, some people use food-safe silicone sealant as a short-term fix, but replace it properly as soon as you can because that pump isn't cheap.

Models Known to Experience FILTER-SCREEN Errors

This repair applies to most Whirlpool dishwashers with this error code. Common model numbers include:

DU810SWPQ, DU850SWPQ, DU915PWPB, DU930PWPS, DU945PWPS, DU943PWPS

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 17, 2026