Shark FLEX Duoclean HV392 Vacuum Cleaner Manual

The Shark FLEX Duoclean HV392 is a versatile upright vacuum cleaner featuring Duoclean brushroll technology for both carpets and hard floors, a flexible wand for above-floor cleaning, Anti-Allergen Complete Seal technology with a HEPA filter, LED headlights, multiple cleaning modes, and a large dust cup capacity. 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. Cleaning Modes & Attachments 8. Maintenance & Care 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Duoclean PowerFins brushroll, Flexible wand, Anti-Allergen Complete Seal with HEPA filter, LED headlights, Large dust cup, On-board accessory storage.

FeatureDescription
Duoclean TechnologyDual brushrolls for carpets and hard floors
FLEX WandBends to clean under furniture without moving it
Anti-Allergen Complete SealTraps 99.9% of dust and allergens inside the vacuum
HEPA FilterCaptures 99.97% of particles down to 0.3 microns
LED HeadlightsIlluminate dark areas under furniture
Cleaning ModesUpright, Handheld, and Under-Appliance modes
Large Dust Cup0.9 quart capacity with easy-empty design
On-Board StorageHolds crevice tool and dusting brush
Power SwitchTurns vacuum on/off
Brushroll ControlEnables/disables brushroll for different surfaces

Assembly & Setup

Unpack and inspect all contents. Assemble before first use.

  1. Attach wand: Insert wand into vacuum body until it clicks into place.
  2. Attach hose: Connect hose to wand and vacuum body ports.
  3. Install accessories: Store crevice tool and dusting brush in on-board caddy.
  4. Install filters: Place HEPA filter and pre-motor filter as indicated in manual.
  5. Plug into AC power outlet.

WARNING! Ensure vacuum is unplugged during assembly. Keep fingers away from brushroll during installation.

First-Time Use

Before first cleaning, perform initial setup and test.

  1. Check filters: Ensure both filters are properly installed.
  2. Test cleaning modes: Switch between upright and handheld modes to ensure proper function.
  3. Test brushroll: Engage and disengage brushroll control for carpet and hard floor settings.
  4. Empty dust cup: Ensure dust cup is empty before first use.
  5. Check attachments: Verify all accessories are securely attached when needed.

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

Specifications

Controls and Settings

Main controls located on vacuum body and handle.

Vacuum Body: Power switch, Brushroll on/off button, Dust cup release, Wand release button.

Handle: Power trigger (handheld mode), Hose release button.

Settings: Brushroll on for carpets, Brushroll off for hard floors and area rugs. Upright mode for floor cleaning. Handheld mode for above-floor cleaning. Under-Appliance mode with FLEX wand for cleaning under furniture.

Cleaning Modes & Attachments

Three cleaning modes for different cleaning needs.

  1. Upright Mode: For floor cleaning. Engage brushroll for carpets, disengage for hard floors.
  2. Handheld Mode: Detach pod from wand for above-floor cleaning. Use attachments for specific tasks.
  3. Under-Appliance Mode: Bend FLEX wand to clean under furniture without moving it.
  4. Attachments: Crevice tool for tight spaces, Dusting brush for surfaces, Pet multi-tool for pet hair.

Tip: Empty dust cup when it reaches MAX fill line for optimal performance.

Maintenance & Care

Regular maintenance ensures optimal performance and longevity.

  1. Empty dust cup: Press release button, remove and empty cup after each use.
  2. Clean filters: Rinse HEPA filter every 3 months, pre-motor filter monthly. Allow to dry 24 hours before reinstalling.
  3. Check brushroll: Regularly remove hair and debris wrapped around brushroll.
  4. Inspect hose and wand: Clear any blockages if suction decreases.
  5. Store properly: Wrap cord around cord hooks, store in dry area.

WARNING! Always unplug vacuum before performing maintenance. Do not use vacuum without filters installed.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © SharkNinja Operating LLC. All rights reserved. For support, visit sharkclean.com or contact 1-800-798-7398. This product is covered by a 5-year limited warranty. Register your product at sharkclean.com/productregistration.

Troubleshooting

SymptomPossible CauseCorrective Action
Loss of suctionFull dust cup or clogEmpty dust cup; check hose, wand, and nozzle for blockages
Brushroll not spinningObstruction or belt issueClear debris from brushroll; check for worn belt
Vacuum won't turn onPower connectionCheck power cord connection; test outlet with another device
Unusual noiseForeign object in brushroll or motorTurn off immediately; check for and remove foreign objects
OverheatingClogged filters or blocked airflowClean filters; check for and clear any blockages; allow to cool
Handheld pod won't detachRelease mechanismEnsure vacuum is off; press release button firmly while pulling pod

Reset: Unplug for 60 minutes if motor overheats, then restart.

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

Shark FLEX Duoclean HV392 Vacuum Cleaner Manual © - All Rights Reserved 2025