Shark FLEX Duoclean HV390 Vacuum Cleaner Manual

The Shark FLEX Duoclean HV390 is a versatile corded stick vacuum featuring DuoClean technology with a soft roller for fine dust and a bristle brush for deep carpet cleaning. It offers multiple cleaning modes (floor, above-floor, handheld), a large dust cup, LED headlights, and a flexible wand for easy maneuverability. 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 Modes 6. Cleaning Surfaces 7. Emptying & Cleaning 8. Maintenance 9. Care & Storage 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: DuoClean floor nozzle, Flexible wand, Handheld pod, Dust cup with empty-release button, Power switch, LED headlights, Accessory storage caddy.

Feature	Description
DuoClean Technology	Combines soft roller and bristle brush for all floor types
FLEX Technology	Wand bends to clean under furniture without moving it
LED Headlights	Illuminates hidden dirt and debris
Large Dust Cup	Easy-empty, no-touch dirt ejection
Multi-Surface Cleaning	Hard floors, carpets, above-floor, and handheld modes
Accessory Storage	Integrated caddy for crevice tool and upholstery tool
Power Switch	On/Off control on main body
Cord Hook	For convenient cord storage
Wand Release Button	Quickly detach wand for above-floor cleaning
Handheld Release	Converts to a portable handheld vacuum

Assembly & Setup

Unpack all parts and inspect contents. Assemble on a flat surface.

Attach the wand: Insert the wand into the floor nozzle until it clicks securely.
Connect the handheld pod: Insert the top of the wand into the handheld pod until it clicks.
Install accessories: Attach crevice tool or upholstery tool to the handheld pod as needed.
Plug into a standard 120V AC outlet.

WARNING! Ensure all parts are securely connected before use. Do not force connections.

First-Time Use

Plug in the vacuum and press the power switch to begin.

Select cleaning mode: Use as a stick vacuum for floors, or detach for above-floor cleaning.
Adjust suction: The vacuum automatically adjusts suction based on floor type.
Use LED lights: The headlights will illuminate when the power is on.
Empty dust cup: Press the empty-release button over a trash can when full.

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

Specifications

Model: Shark FLEX Duoclean HV390.
Technology: DuoClean with soft roller and bristle brush.
Power Source: Corded, 120V AC, 60Hz.
Dust Cup Capacity: 0.7 dry quarts.
Cleaning Modes: Floor, above-floor, handheld.
Special Features: LED headlights, FLEX wand, no-touch emptying.
Included Accessories: Crevice tool, upholstery tool, accessory storage caddy.
Warranty: 5-year limited warranty (see manual for details).

Controls and Modes

Power Switch: Located on the main body. Wand Release Button: Detaches wand for above-floor cleaning. Handheld Release Button: Separates handheld pod from wand.

Cleaning Modes: Floor Mode (full assembly), Above-Floor Mode (wand + handheld pod), Handheld Mode (pod only with tool attached).

DuoClean Nozzle: Automatically adjusts between hard floors and carpets. LED Lights: Automatically turn on with power. Empty-Release Button: Press to open dust cup bottom.

Cleaning Surfaces

Hard Floors: Use DuoClean nozzle (soft roller active). Carpets: Use DuoClean nozzle (bristle brush engaged). Above-Floor: Detach wand and use handheld pod with tools.

Ensure vacuum is powered off before changing modes.
For floors, glide nozzle back and forth in overlapping strokes.
For upholstery, attach upholstery tool to handheld pod.
For tight spaces, use crevice tool.

Tip: Clear area of large debris before vacuuming to prevent clogs.

Emptying & Cleaning

Empty dust cup regularly to maintain suction.

Turn off and unplug vacuum.
Hold dust cup over trash can and press empty-release button.
Tap gently to remove fine dust.
Close dust cup door securely.
Check filters: Remove and tap off debris monthly; rinse if needed (see Maintenance).

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

Maintenance

Pre-Motor Filter: Rinse every 3 months under cold water; air dry 24+ hours. Post-Motor Filter: Rinse every 12 months; air dry completely. Brush Roll: Clear wrapped hair/debris regularly. Check for blockages in nozzle, wand, and hose.

Care & Storage

Unplug before cleaning or maintenance. Wipe exterior with dry cloth. Store in a cool, dry place. Wrap cord around cord hooks.

CAUTION! Do not immerse in water or use harsh chemicals. Keep away from heat sources.

Regulatory Information

This device complies with Part 15 of the FCC Rules. Operation is subject to interference conditions. Copyright © SharkNinja Operating LLC. All trademarks are property of SharkNinja. For support, visit sharkclean.com or contact 1-800-798-7398.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Loss of suction	Full dust cup/clog	Empty dust cup; check for blockages in nozzle, wand, hose.
Brush roll not spinning	Hair/debris wrap	Turn off, unplug, and clear brush roll of obstructions.
Vacuum won't turn on	Power source/switch	Check outlet; ensure power switch is pressed; check cord for damage.
Dust cup not emptying	Release mechanism	Ensure empty-release button is fully pressed; clear debris from door.
Unusual noise	Foreign object in airway	Turn off immediately; inspect nozzle, wand, and dust cup for obstructions.

Reset: Unplug for 10 minutes, then restart.

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