The washer has stopped and the tub is still full of water. Before you take a panel off, work out which of two problems you have, because a washer that won’t drain water and one that drains but won’t spin are usually different faults. A tub still full of water points to the drain side: the house drain, the hose, the pump or the filter. A tub that emptied but left the clothes soaked points to the spin side. Work outward from the house drain, then the pump, the filter and the lid switch, and stop when one of them explains it.

Telling the Washer From the House Drain With a Bucket

Pull the drain hose out of the standpipe and put it in a bucket or a utility sink. Run the drain or spin step. If the washer empties normally there but backs up or overflows at the standpipe, the fault is the house drain line and not the machine. That settles it in a couple of minutes, before any panel comes off.

The reverse check needs no cycle. With the machine idle, pour a bucket of water straight down the standpipe. If it drains freely, the standpipe is not the restriction. If it rises or drains slowly, the restriction is in the standpipe or in the line below it.

Two hose habits cause trouble of their own. A tight rubber seal around the hose removes the air gap, which gives a backed-up drain a direct path into the machine. Pushing the hose in too deep can start a siphon that pulls water out as fast as the washer fills. That is why most machines ship with a hose bracket or strap.

A blocked house drain is a plumbing job, not an appliance repair.

Is the Drain Pump Blocked, Seized or Never Told to Run?

Stand next to the washer while it tries to drain and listen for the pump. What you hear separates three faults, and that is what sets the size of the repair.

A pump that runs audibly but moves no water usually has a broken or slipping impeller. The motor keeps turning and sounds normal, but the impeller has separated from the shaft or is slipping on it.

A seized or obstructed pump is a different case. On a machine with an accessible pump filter opening, you can reach the impeller through it. Unplug the washer first, then turn the impeller by hand with a finger or a screwdriver. If it will not turn freely, something is lodged or the pump is seized.

If the pump makes no sound at all, either it is dead or nothing is telling it to run. A lid or door switch that never signals closed can stop the drain step, and the lid switch section below covers that.

Why a Washer Won’t Drain Water Depends on Type and Symptom

Two questions decide which checks apply to you, and getting either wrong wastes an hour.

First, is the water still in the tub, or did it drain and leave the clothes soaked? These usually point to different faults. A full tub most often means a drain problem: a clogged hose or filter, a blocked pump, a failed pump, or a lid or door switch preventing the drain. A tub that drained but will not spin more often means a spin or control problem: the lid switch or lock, the motor, the drive system or the control.

Second, is it a top-loader or a front-loader? Most front-loaders have a pump filter at the bottom of the front panel. Most top-loaders have no equivalent. They use a larger tub drain opening and a stronger pump to push lint and debris out through the drain hose. Where a top-loader does have a filter, it may sit beneath the agitator in the centre of the basket, inside the agitator, along the bottom rim of the basket, or inside the drain hose. Check more than one place.

Opening the Pump Filter and What to Expect Inside

Most front-loaders have an owner-accessible filter door, but some need the lower service or toe panel removed. On some models the filter sits behind that bottom front panel instead of a flip-down door, which makes it a panel-removal job and not a five-minute one.

1. Unplug the washer.
2. Put a shallow pan under the access door and towels on the floor. GE describes catching about a cup of water as normal when the filter comes out.
3. Open the access door with a coin or a flat screwdriver in the notch, or remove the lower panel if your model has one instead.
4. Pull down the pour spout if there is one.
5. Turn the pump filter counterclockwise and open it slowly, letting the water drain.
6. Clear whatever is in the filter, then turn the impeller by hand through the opening to check it moves freely.
7. Many models also have a small drain hose behind the same panel. Release the black hose from its clip, remove the plug and drain it into a container. Make sure the hose is completely dry, put the plug back and secure the tube in the clip again.
8. Turn the filter clockwise and tighten it securely, then flip the pour spout back up.

Front-load washers have this filter because the design lets small articles pass down toward the pump. The filter catches them instead of flushing them into the house drain, which is why lost items turn up there.

A small mesh screen at the end of the drain hose is a separate check point from the machine-side filter. Maytag’s own guide lists it alongside the bottom-panel hatch, not instead of it.

Lid Switch and Door Lock Faults That Look Like a Dead Pump

A failed lid switch can leave a full tub that looks exactly like a dead pump. On many top-loaders a bad lid switch or interlock can prevent both draining and spinning, leaving water in the tub. On some models it may drain but not spin. So a full tub does not rule it out.

The interlock exists because the machine will not spin or drain if it believes the lid is open. On some top-load models the same interlock also stops the machine filling, which points away from a drain fault.

The published test for both lid switches and door locks is a multimeter continuity test. A part that shows no continuity is defective and has to be replaced. Published repair-time estimates put a top-loader lid switch or lock assembly at 45 minutes or less, and the switch on a direct-drive top-loader at 15 minutes or less. Those are estimates for someone who does this work, not for a first attempt.

Keeping the Drain Clear Afterward

Four habits keep a washer from ending up here again.

• Pockets. Empty them before each load. On a front-loader, small articles pass down toward the pump, and the filter is where they stop.
• Filter cleaning. Whirlpool says to clean the pump filter periodically and points to the owner’s manual for how often. Use the interval for your model.
• Drain height. GE states that pump flow drops by roughly one gallon per minute (about four litres) for each extra foot of drain height. It rates top-load pumps at 15 to 17 gallons per minute and front-load pumps at 10. The standpipe has to be trapped, and local plumbing code sets its height, so check the code and your owner’s manual for your model.
• Detergent. Whirlpool states that non-HE detergent, or more than the recommended amount, causes excess suds. The washer then spins at reduced speed and leaves very wet loads, adds rinses to clear the foam, and can throw error codes. Use less detergent with very soft water. “No splash” or “easy-pour” liquid chlorine bleach contains a thickener that may create excess suds, so plain liquid bleach is the recommended choice. HE detergents also come in 2x, 4x and 8x concentrations, and larger pre-measured pacs belong in large or heavily soiled loads.

Signs the Checks Have Run Out

Unplug the washer before any panel comes off, and stop when one of these is true.

• The bucket test shows the washer empties fine into a sink but not at the standpipe. That is a house drain problem, so call a plumber.
• The pump runs but no water moves. A broken or slipping impeller is the usual cause.
• The filter sits behind a service panel you are not comfortable removing.
• The lid switch or door lock needs a continuity test and you do not own a multimeter.

Then book a washing machine repair call and tell the technician what you found: whether the tub was full or drained, what the bucket test showed, whether the pump made any sound, and what came out of the filter. Those four answers narrow the fault before anyone opens the machine. Readers in North York can book Appliance Doc for that service call.