Shark IZ1440H Vacuum Cleaner Manual

The Shark IZ1440H is a cordless stick vacuum cleaner featuring DuoClean PowerFins technology, Anti-Allergen Complete Seal, LED headlights, a removable battery, and a versatile design for cleaning floors and above-floor surfaces. It includes multiple attachments, a docking station, and various cleaning modes. 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 & Techniques 8. Maintenance & Care 9. Battery & Charging 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: DuoClean PowerFins floor nozzle, LED headlights, removable battery, docking station, Anti-Allergen Complete Seal system, crevice tool, dusting brush, and upholstery tool.

Feature	Description
DuoClean PowerFins	Combines bristle brush and soft roller for debris pickup on all floors
Anti-Allergen Complete Seal	Traps 99.9% of dust and allergens inside the vacuum
LED Headlights	Illuminates dark areas under furniture
Removable Battery	Allows for extended runtime with spare batteries
Docking Station	For storage and charging
Crevice Tool	For tight spaces and corners
Dusting Brush	For delicate surfaces and dusting
Upholstery Tool	For sofas, chairs, and stairs
POWER Button	Turns vacuum on/off
Mode Selector	Switches between Eco and Max suction modes

Assembly & Setup

Unpack and inspect all contents. Assemble components before first use.

Attach handle to vacuum body: Align arrows and push until click is heard.
Insert battery: Slide battery into compartment until it locks.
Attach floor nozzle: Connect nozzle to vacuum body, ensuring secure fit.
Place on docking station: Ensure contacts align for charging.

WARNING! Ensure vacuum is powered off during assembly. Keep fingers clear of moving parts.

First-Time Use

Charge battery fully before initial use.

Charge: Place vacuum on docking station; LED indicator will show charging status.
Power on: Press POWER button; select Eco mode for general cleaning.
Test attachments: Connect desired tool to vacuum end.
Empty dust cup: Press release button to remove and empty after use.

CAUTION! Do not use on wet surfaces. Keep hair, loose clothing, and fingers away from brush roll.

Specifications

Type: Cordless Stick Vacuum.
Technology: DuoClean PowerFins, Anti-Allergen Complete Seal.
Battery: Removable lithium-ion, up to 60 minutes runtime (Eco mode).
Charging Time: Approximately 4 hours.
Dust Cup Capacity: 0.7 quarts.
Attachments: Crevice tool, dusting brush, upholstery tool.
Weight: 7.5 lbs.
Power Source: Rechargeable battery (included).
Warranty: 5-year limited warranty.

Controls and Settings

Main controls located on handle. POWER button turns vacuum on/off. Mode selector toggles between Eco (standard) and Max (high suction). Battery indicator LED shows charge level.

LED Indicators: Green (charged), Red (charging/low), Blue (medium).

Dust Cup Release: Button near dust cup for easy removal. Brush Roll Switch: Turns brush roll on/off for delicate rugs. Handle Release: Button to detach handle for above-floor cleaning.

Using Attachments

Attach tools to vacuum end or handle for specialized cleaning.

Turn off vacuum before changing attachments.
Align attachment with connector and push until click.
Select appropriate mode: Eco for upholstery, Max for deep crevices.
After use, detach by pressing release button.

Tip: Use dusting brush for blinds, shelves, and electronics. Use crevice tool for edges and corners.

Cleaning Modes & Techniques

Eco Mode: For everyday cleaning, extends battery life. Max Mode: For deep cleaning carpets and high-pile rugs.

Hard floors: Use Eco mode with floor nozzle.
Carpets: Use Max mode for embedded dirt; adjust brush roll as needed.
Above-floor: Detach handle, attach tool, use Eco mode.
Under furniture: LED headlights illuminate hidden debris.
Empty dust cup when full indicator appears.

WARNING! Do not vacuum large objects, liquids, or hot ashes. Avoid pulling cord when cleaning.

Maintenance & Care

Regular maintenance ensures optimal performance.

Empty dust cup after each use.
Clean filters monthly: Rinse under water, air dry 24 hours.
Check brush roll for tangles; remove hair or strings.
Wipe exterior with dry cloth.

CAUTION! Do not use vacuum without filters. Ensure all parts are completely dry before reassembly.

Battery & Charging

Use only Shark-approved batteries and charger.

Charge: Place on docking station or use charger directly.
LED indicates status: Red (charging), Green (fully charged).
Runtime: Up to 60 minutes in Eco, 15 minutes in Max.
Replace battery: Slide release button to remove; insert new battery.

Note: Store in cool, dry place. Do not expose battery to extreme temperatures.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © SharkNinja Operating LLC. For support, visit sharkclean.com or contact 1-800-798-7398. This product is covered by a 5-year limited warranty. Dispose of battery according to local regulations.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Vacuum won't turn on	Battery not charged/inserted	Charge battery; ensure proper insertion.
Reduced suction	Full dust cup/clogged filter	Empty dust cup; clean filters; check for blockages.
Brush roll not spinning	Tangles/obstructions	Turn off, remove debris from brush roll.
Battery not charging	Dirty contacts/faulty charger	Clean charging contacts; try different outlet.
LED lights not working	Battery low/connection issue	Charge battery; ensure handle is attached securely.

Reset: Remove battery for 30 seconds, then reinsert.

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