Shark KD400WM Vacuum Cleaner Manual

The Shark KD400WM is a powerful and versatile upright vacuum cleaner designed for deep cleaning carpets and hard floors. It features a motorized brush roll, advanced swivel steering, a large-capacity dust cup, HEPA filtration, multiple cleaning modes, and various 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 8. Maintenance & Care 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Upright vacuum body, motorized brush roll, swivel steering handle, large dust cup with HEPA filter, hose, wand, and accessory tools.

FeatureDescription
Motorized Brush RollDeep cleans carpets and agitates embedded dirt
Swivel SteeringProvides maneuverability around furniture and obstacles
Large Dust CupHigh-capacity, easy-empty container
HEPA FiltrationTraps 99.9% of dust and allergens
Cleaning ModesCarpet, Hard Floor, and Above-Floor settings
Accessory Hose & WandFor stairs, upholstery, and hard-to-reach areas
ON/OFF SwitchPowers the vacuum on and off
Brush Roll ControlEngages/disengages brush roll for different surfaces
Height AdjustmentAdjusts cleaning head for various carpet pile heights
Accessory StorageIntegrated caddy for storing tools on the vacuum

Assembly & Setup

Unpack and inspect all parts. Assemble according to instructions.

  1. Attach the handle: Align handle with body and secure with provided screws.
  2. Install the hose: Connect hose to the vacuum body and wand.
  3. Attach cleaning tools: Clip crevice tool, dusting brush, and upholstery tool to storage caddy.
  4. Install filters: Place pre-motor and post-motor HEPA filters as indicated.

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

First-Time Use

Before first use, ensure all filters are installed and dust cup is empty.

  1. Plug into a standard 120V AC outlet.
  2. Select floor type: Use brush roll control for carpets or hard floors.
  3. Adjust height: Set cleaning head to appropriate height for your carpet.
  4. Begin cleaning: Turn ON/OFF switch to start vacuuming.

CAUTION! Keep hair, loose clothing, and fingers away from brush roll and openings.

Specifications

Controls and Settings

Main controls located on handle and body.

Handle: ON/OFF switch, brush roll control, hose release button.

Settings: Carpet mode (brush roll ON), Hard Floor mode (brush roll OFF), Height adjustment (multiple settings), Suction control (via accessory hose). Accessory tools: Crevice tool, dusting brush, upholstery tool, pet hair tool (optional).

Using Attachments

For above-floor cleaning: detach hose and wand, attach desired tool.

  1. Turn off vacuum and unplug from outlet.
  2. Remove hose from storage clips.
  3. Attach wand to hose, then attach tool (e.g., crevice tool).
  4. Plug in vacuum, turn on, and clean stairs, upholstery, or ceilings.

Tip: Use upholstery tool for sofas and drapes; crevice tool for tight spaces.

Cleaning Modes

Optimize cleaning for different surfaces.

  1. Carpet Mode: Engage brush roll for deep cleaning.
  2. Hard Floor Mode: Disengage brush roll to prevent scattering debris.
  3. Above-Floor Mode: Use hose and attachments for furniture and stairs.
  4. Spot Cleaning: Use hose with appropriate tool for small areas.

WARNING! Do not use hard floor mode on carpets; may reduce cleaning efficiency.

Maintenance & Care

Regular maintenance ensures optimal performance.

  1. Empty dust cup: Press release button, empty contents into trash.
  2. Clean filters: Rinse pre-motor filter monthly; replace HEPA filter every 6-12 months.
  3. Clear brush roll: Remove hair and debris from brush roll regularly.
  4. Inspect hose and wand: Check for clogs and clear if necessary.

CAUTION! Unplug vacuum before performing any maintenance. Do not use water on electrical parts.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2025 SharkNinja Operating LLC. All rights reserved. For support, visit www.sharkclean.com or contact 1-800-798-7398.

Troubleshooting

SymptomPossible CauseCorrective Action
Vacuum won't turn onPower outlet/cordCheck outlet; ensure cord is plugged in securely; check ON/OFF switch.
Loss of suctionFull dust cup/clogEmpty dust cup; check hose, wand, and filters for clogs.
Brush roll not spinningObstruction/switchClear hair and debris from brush roll; ensure brush roll control is ON.
OverheatingClogged filters/full dust cupClean or replace filters; empty dust cup; allow vacuum to cool for 30 minutes.
Unusual noiseForeign object in brush roll or hoseTurn off and unplug; inspect brush roll, hose, and wand for obstructions.

Reset: Unplug vacuum for 30 minutes to reset thermal protector.

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

Shark KD400WM Vacuum Cleaner Manual © - All Rights Reserved 2025