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.
Key components: Upright vacuum body, motorized brush roll, swivel steering handle, large dust cup with HEPA filter, hose, wand, and accessory tools.
| Feature | Description |
|---|---|
| Motorized Brush Roll | Deep cleans carpets and agitates embedded dirt |
| Swivel Steering | Provides maneuverability around furniture and obstacles |
| Large Dust Cup | High-capacity, easy-empty container |
| HEPA Filtration | Traps 99.9% of dust and allergens |
| Cleaning Modes | Carpet, Hard Floor, and Above-Floor settings |
| Accessory Hose & Wand | For stairs, upholstery, and hard-to-reach areas |
| ON/OFF Switch | Powers the vacuum on and off |
| Brush Roll Control | Engages/disengages brush roll for different surfaces |
| Height Adjustment | Adjusts cleaning head for various carpet pile heights |
| Accessory Storage | Integrated caddy for storing tools on the vacuum |
Unpack and inspect all parts. Assemble according to instructions.
WARNING! Ensure vacuum is unplugged during assembly. Handle with care to avoid pinching.
Before first use, ensure all filters are installed and dust cup is empty.
CAUTION! Keep hair, loose clothing, and fingers away from brush roll and openings.
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).
For above-floor cleaning: detach hose and wand, attach desired tool.
Tip: Use upholstery tool for sofas and drapes; crevice tool for tight spaces.
Optimize cleaning for different surfaces.
WARNING! Do not use hard floor mode on carpets; may reduce cleaning efficiency.
Regular maintenance ensures optimal performance.
CAUTION! Unplug vacuum before performing any maintenance. Do not use water on electrical parts.
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.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Vacuum won't turn on | Power outlet/cord | Check outlet; ensure cord is plugged in securely; check ON/OFF switch. |
| Loss of suction | Full dust cup/clog | Empty dust cup; check hose, wand, and filters for clogs. |
| Brush roll not spinning | Obstruction/switch | Clear hair and debris from brush roll; ensure brush roll control is ON. |
| Overheating | Clogged filters/full dust cup | Clean or replace filters; empty dust cup; allow vacuum to cool for 30 minutes. |
| Unusual noise | Foreign object in brush roll or hose | Turn 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