Shark SONIC DUO KD400WM 26 Vacuum Cleaner Manual

The Shark SONIC DUO KD400WM 26 is a powerful corded upright vacuum cleaner featuring Sonic technology for deep carpet cleaning, a DuoClean brushroll for combined debris pickup on all floors, LED headlights, an Anti-Allergen Complete Seal with HEPA filter, a large-capacity dust cup, a 26-foot power cord, and a variety of attachments for above-floor cleaning. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Assembly & Setup 3. First-Time Use 4. Specifications 5. Controls and Settings 6. Using Attachments 7. Cleaning Modes & Surfaces 8. Maintenance & Care 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main vacuum body with handle, DuoClean floor nozzle, wand, hose, and accessory tools.

Feature	Description
Sonic Technology	High-frequency vibrations to loosen deeply embedded dirt in carpets
DuoClean Brushroll	Combination brushroll with soft bristles for hard floors and stiff bristles for carpets
Anti-Allergen Complete Seal	Sealed system with HEPA filter to trap 99.9% of dust and allergens
LED Headlights	Illuminates dark areas under furniture
Large Dust Cup	Easy-empty, bagless dust cup with generous capacity
26-Foot Power Cord	Extended reach for cleaning large areas without frequent unplugging
POWER/SURFACE Switch	Selects between Hard Floor and Carpet cleaning modes
Wand Release Pedal	Foot pedal to detach the wand for above-floor cleaning
Hose & Accessories	Comes with crevice tool, dusting brush, and upholstery tool
Handle Controls	Includes power switch and cord rewind button

Assembly & Setup

Unpack all parts from the box and inspect for damage.

Attach the handle: Insert the handle into the top of the vacuum body until it clicks into place.
Connect the wand: Insert the wand into the socket on the front of the vacuum until it locks.
Attach the floor nozzle: Align the nozzle with the wand connector and push until it clicks.
Connect the hose: Attach the hose end to the port on the back of the vacuum body.
Store accessories: Attach the provided tools to the onboard clips or caddy.

WARNING! Ensure the vacuum is unplugged during assembly. Handle with care to avoid pinching fingers.

First-Time Use

Before first use, ensure all parts are securely connected.

Plug in the power cord to a standard 120V outlet.
Select surface mode: Use the POWER/SURFACE switch to choose Hard Floor or Carpet.
Turn on: Press the power button on the handle. The LED lights will illuminate.
Begin vacuuming: Push the vacuum forward and back in slow, overlapping strokes.
Use attachments: Press the wand release pedal to detach the wand and connect tools for above-floor cleaning.

CAUTION! Keep the power cord away from the cleaning path to avoid damage. Do not vacuum wet spills or large objects.

Specifications

Model: Shark SONIC DUO KD400WM 26.
Technology: Sonic vibration and DuoClean brushroll.
Filtration: Anti-Allergen Complete Seal with HEPA filter.
Cord Length: 26 feet.
Dust Cup Capacity: 1.5 dry quarts.
Attachments: Crevice tool, dusting brush, upholstery tool.
Power Source: 120V AC, 60Hz, corded electric.
Weight: Approximately 15 lbs.
Warranty: Limited 5-year warranty (see manual for details).

Controls and Settings

Main controls are located on the handle and floor nozzle.

Handle: Power On/Off button, Cord Rewind button.

Floor Nozzle: POWER/SURFACE switch (Hard Floor/Carpet), Wand Release Pedal.

Cleaning Modes: Hard Floor mode (gentle suction, soft roller); Carpet mode (activated Sonic technology, stiff bristles).

LED Lights: Automatically turn on when vacuum is powered.

Using Attachments

For above-floor cleaning, detach the wand and connect desired tools.

Press the Wand Release Pedal with your foot to detach the wand from the floor nozzle.
Attach the hose to the end of the wand.
Connect the desired accessory (crevice tool, dusting brush, etc.) to the end of the hose.
Turn on the vacuum and clean upholstery, stairs, ceilings, or tight spaces.

Tip: Use the dusting brush for delicate surfaces and the crevice tool for edges and corners.

Cleaning Modes & Surfaces

Optimize cleaning by selecting the correct mode for your floor type.

Hard Floor Mode: Use for tile, hardwood, laminate, and vinyl. The soft roller picks up large debris and fine dust.
Carpet Mode: Use for low-pile to high-pile carpets. Activates Sonic technology to loosen embedded dirt.
Adjustable handle: Tilt the handle to comfortable cleaning angles.
For high-pile carpets: You may need to raise the handle slightly to ease movement.
Avoid vacuuming: Loose rugs, fringes, cords, and wet areas.

WARNING! Do not use on wet surfaces. Clear area of small objects that could clog the vacuum.

Maintenance & Care

Regular maintenance ensures optimal performance and longevity.

Empty dust cup: Press release button and empty when full or after each use.
Clean filters: Rinse the HEPA filter and pre-motor filter with cold water every 3 months. Air dry completely for 24 hours before reinstalling.
Check for clogs: If suction reduces, check the hose, wand, and nozzle for blockages.
Clean brushroll: Remove hair and fibers wrapped around the brushroll regularly. Use scissors if necessary.
Inspect power cord: Check for damage before each use.

CAUTION! Always unplug the vacuum before performing any maintenance. Do not use the vacuum without all filters installed and completely dry.

Regulatory Information

This appliance complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. Copyright © SharkNinja Operating LLC. Shark, Sonic, and DuoClean are trademarks of SharkNinja Operating LLC. For support, visit sharkclean.com or contact 1-800-798-7398.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Vacuum won't turn on	Power source/plug	Ensure unit is plugged in; check outlet; press power button firmly.
Loss of suction	Full dust cup/clog	Empty dust cup; check and clear clogs in hose, wand, or nozzle; clean filters.
Brushroll not spinning	Obstruction/overheat	Unplug and remove debris from brushroll; let motor cool if overheated.
Vacuum is difficult to push	Height setting/carpet pile	Adjust handle height; ensure correct surface mode is selected.
Unusual noise	Foreign object in airway	Unplug and inspect hose, wand, and nozzle for obstructions.
LED lights not working	Connection/defect	Ensure wand is fully connected; contact support if issue persists.

Reset: Unplug the vacuum for 60 seconds to reset the motor thermal protector.

Service: 1-800-798-7398; sharkclean.com