Shark FLEX Duoclean HV394QRG Vacuum Cleaner Manual

The Shark FLEX Duoclean HV394QRG is a versatile corded stick vacuum featuring DuoClean PowerFins technology for deep carpet cleaning and hard floor pickup, a flexible wand for under-furniture cleaning, Anti-Allergen Complete Seal with HEPA filter, LED headlights, and multiple attachments for whole-home 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. Maintenance & Cleaning 8. Storage & Care 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: DuoClean PowerFins brushroll, Flexible wand, Anti-Allergen Complete Seal system, HEPA filter, LED headlights, Crevice tool, Upholstery tool, Dusting brush, Pet Multi-Tool.

Feature	Description
DuoClean PowerFins	Dual brushroll system for carpets and hard floors
Flexible Wand	Bends to clean under furniture without moving items
Anti-Allergen Complete Seal	Traps 99.9% of dust and allergens inside the vacuum
HEPA Filter	Captures fine particles; washable and reusable
LED Headlights	Illuminates dark areas under furniture
Power Cord	25-foot cord with cord wrap hooks
ON/OFF Switch	Controls vacuum power
Brushroll Control	Automatically adjusts suction for floor type
Dust Cup Release	Button to empty dust cup hands-free
Wand Release Button	Detaches wand for above-floor cleaning

Assembly & Setup

Unpack and inspect all contents. Assemble before first use.

Attach wand to handle: Insert wand into handle until it clicks.
Attach floor nozzle: Connect floor nozzle to wand until it clicks securely.
Install HEPA filter: Remove filter from packaging and insert into filter compartment.
Wrap power cord: Use cord wrap hooks on back of vacuum for storage.

WARNING! Ensure vacuum is unplugged during assembly. Check all connections are secure.

First-Time Use

Plug into standard 120V outlet; turn on power switch.

Select floor setting: Vacuum automatically adjusts brushroll for carpet or hard floors.
Begin vacuuming: Push vacuum forward and back in overlapping strokes.
Use flexible wand: Press wand release to bend wand for under-furniture cleaning.
Empty dust cup: Press release button over trash can when full.

CAUTION! Keep hair, loose clothing, and fingers away from brushroll. Do not vacuum liquids.

Specifications

Model: HV394QRG Shark FLEX DuoClean.
Power Source: Corded, 120V, 60Hz.
Cord Length: 25 feet.
Filtration: Anti-Allergen Complete Seal with HEPA filter.
Brushroll: DuoClean PowerFins technology.
Attachments: Crevice tool, upholstery tool, dusting brush, Pet Multi-Tool.
Dust Cup Capacity: 0.7 dry quarts.
Weight: 12.5 lbs.
Warranty: 5-year limited warranty.

Controls and Settings

Main controls located on handle. ON/OFF Switch: Turns vacuum on/off. Brushroll Control: Automatic adjustment (no manual setting needed). Wand Release Button: Press to detach wand. Dust Cup Release: Button on back of dust cup. Power Cord Hook: For cord storage.

LED Indicators: Headlights activate when vacuum is on. Filter Reset Light: Indicates when filter needs cleaning (if equipped).

Using Attachments

Detach wand to use tools for above-floor cleaning.

Press wand release button to separate wand from floor nozzle.
Select attachment: Crevice tool for tight spaces; upholstery tool for furniture; dusting brush for surfaces; Pet Multi-Tool for pet hair.
Connect attachment to end of wand or handle.
Turn on vacuum and clean targeted area.

Tip: For high ceilings, connect wand sections for extended reach.

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

Empty dust cup after each use: Press release button over trash.
Clean brushroll monthly: Remove debris wrapped around brushroll with scissors.
Wash HEPA filter every 3 months: Rinse under cold water; air dry 24 hours before reinstalling.
Check for clogs: If suction decreases, check hose, wand, and nozzle for blockages.

WARNING! Unplug vacuum before maintenance. Do not use damaged brushroll or filter.

Storage & Care

Store in dry area. Wrap cord around hooks. Use wall mount if provided.

CAUTION! Do not store with wet filter. Keep away from heat sources.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
Vacuum won't turn on	Power cord/outlet	Check plug is secure; try different outlet; ensure ON/OFF switch is on.
Loss of suction	Full dust cup/clog	Empty dust cup; check hose, wand, and nozzle for blockages.
Brushroll not spinning	Debris/tangle	Unplug and remove debris from brushroll; ensure it rotates freely.
Vacuum overheating	Clog/filter	Unplug, let cool; check for clogs; clean or replace filter.
Unusual noise	Foreign object	Unplug and inspect brushroll, hose, and nozzle for obstructions.

Reset: Unplug for 60 minutes if motor overheats.

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