Shark SharkFlex HV390 Series Vacuum Cleaner Manual

The Shark SharkFlex HV390 Series is a versatile cordless stick vacuum cleaner featuring a flexible wand, DuoClean PowerFins brushroll, LED headlights, multiple cleaning modes, and a removable battery. It includes a wall mount, crevice tool, dusting brush, and upholstery tool. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Assembly & Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Attachments & Accessories 7. Operating Modes 8. Maintenance & Cleaning 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Flexible wand, DuoClean PowerFins brushroll, LED headlights, Power button, Mode selector, Battery indicator, Removable battery, Dust cup release.

FeatureDescription
Flexible WandBends to clean under furniture without bending over
DuoClean PowerFinsCombines bristle brush and soft roller for all floor types
LED HeadlightsIlluminates dark areas for better visibility
Power ButtonTurns vacuum on/off
Mode SelectorSwitches between Eco, Normal, and Max suction modes
Battery IndicatorShows remaining battery charge level
Removable BatteryAllows for easy charging and replacement
Dust Cup ReleaseButton to empty dust cup hands-free
Wall MountFor convenient storage and charging
AttachmentsCrevice tool, dusting brush, upholstery tool included

Assembly & Installation

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

  1. Attach wand to vacuum body: Align arrows and push until click is heard.
  2. Install floor nozzle: Connect to end of wand until secure.
  3. Insert battery: Slide into vacuum body until it locks in place.
  4. Mount charging dock: Secure to wall using included screws and anchors.
  5. Place vacuum on dock for charging.

WARNING! Ensure vacuum is turned off and battery is removed during assembly. Keep fingers clear of moving parts.

First-Time Setup

Charge battery fully before initial use.

  1. Charge battery: Place vacuum on wall mount; LED indicator will show charging status.
  2. Fully charge: Allow 4 hours for initial full charge.
  3. Test operation: Press Power button; select Normal mode.
  4. Attach tools: Connect desired accessory to wand end.
  5. Adjust wand: Use flexible feature to reach under furniture.

CAUTION! Do not use vacuum while charging. Ensure area is clear of obstacles before operation.

Specifications

Controls and Settings

Located on vacuum handle: Power button, Mode selector (Eco/Normal/Max), Battery indicator lights.

Power Button: Press once to turn on; press again to turn off.

Mode Selector: Cycle through Eco (quiet, extended runtime), Normal (balanced cleaning), Max (maximum suction for tough messes).

Battery Indicator: 3 LEDs show charge level (green = high, yellow = medium, red = low).

Wand Release: Button near handle to detach wand for above-floor cleaning.

Dust Cup Release: Button on back of vacuum to empty dust cup into trash.

Attachments & Accessories

Use attachments for specialized cleaning tasks.

  1. Crevice Tool: For tight spaces, corners, between cushions.
  2. Dusting Brush: For delicate surfaces, shelves, blinds.
  3. Upholstery Tool: For sofas, chairs, stairs.
  4. To attach: Remove floor nozzle, insert accessory into wand end until click.
  5. To detach: Press release button on accessory or wand.

Tip: Store attachments on wall mount for easy access.

Operating Modes

Select mode based on cleaning need and desired runtime.

  1. Eco Mode: For light cleaning, maximizes battery life (up to 40 minutes).
  2. Normal Mode: For everyday cleaning (up to 25 minutes).
  3. Max Mode: For deep cleaning, high-pile carpets, concentrated messes (up to 15 minutes).
  4. To switch modes: Press Mode button while vacuum is running.
  5. LED headlights: Automatically turn on when vacuum is powered.
  6. Flexible wand: Bend wand up to 90 degrees to clean under furniture.

WARNING! Do not use on wet surfaces. Keep hair, loose clothing, and fingers away from brushroll.

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

  1. Empty dust cup: Press release button; empty into trash; reattach until click.
  2. Clean filters: Remove pre-motor and post-motor filters; tap out debris; rinse with water monthly (air dry 24 hours).
  3. Check brushroll: Remove floor nozzle; clear any tangled hair or debris.
  4. Battery care: Store in cool, dry place; charge fully every 3 months if not in use.
  5. Clean sensors: Wipe LED headlights and sensors with dry cloth.

CAUTION! Unplug charger and remove battery before maintenance. Ensure all parts are completely dry before reassembly.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © SharkNinja Operating LLC. All trademarks are property of SharkNinja. For support, visit sharkclean.com or contact 1-800-798-7398. Battery must be recycled or disposed of separately from household waste.

Troubleshooting

SymptomPossible CauseCorrective Action
Vacuum won't turn onBattery not charged/insertedCharge battery fully; ensure it's properly locked in place.
Reduced suctionFull dust cup/clogged filterEmpty dust cup; clean filters; check hose for blockages.
Brushroll not spinningDebris tangledTurn off vacuum; remove floor nozzle; clear hair and debris from brushroll.
Battery drains quicklyMode setting/filterUse Eco mode for longer runtime; ensure filters are clean and dry.
Vacuum won't chargeDirty contacts/dock issueClean battery and dock contacts with dry cloth; ensure vacuum is properly seated on dock.
LED lights not workingSensor blockageClean LED headlights and sensors; ensure they are not obstructed.

Reset: Remove battery for 30 seconds, then reinsert.

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

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