Shark APEX duo clean AX912 Vacuum Cleaner Manual

The Shark APEX duo clean AX912 is a powerful upright vacuum cleaner featuring DuoClean technology with a soft roller for large debris and a bristle brush for deep carpet cleaning, powered lift-away for above-floor cleaning, LED headlights, anti-allergen complete seal technology with HEPA filter, and a variety of attachments for versatile 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. Cleaning Modes 8. Maintenance & Care 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Main vacuum body with DuoClean brushroll, Lift-Away pod, LED headlights, Handle with controls, Dust cup with HEPA filter, and various attachments.

FeatureDescription
DuoClean TechnologyCombines soft roller for hard floors and bristle brush for carpets
Powerful SuctionAdvanced motor provides strong cleaning performance
LED HeadlightsIlluminates dark areas under furniture
Anti-Allergen Complete SealTraps 99.9% of dust and allergens inside the vacuum
HEPA FilterCaptures microscopic particles
Lift-Away ModeDetachable pod for portable above-floor cleaning
Attachments IncludedPet Multi-Tool, Crevice Tool, Upholstery Tool, Duster Crevice Tool
Brushroll ShutoffAutomatically stops brushroll on hard floors
Large Dust CupEasy-to-empty 0.9 quart capacity
Adjustable SettingsSettings for carpets, hard floors, and delicate rugs

Assembly & Setup

Unpack and inspect all contents. Assemble following steps.

  1. Attach handle: Insert handle into main body until it clicks into place.
  2. Install wand: Insert wand into handle socket and secure.
  3. Attach hose: Connect hose to wand and main body ports.
  4. Install attachments: Store attachments on docking station or clip.
  5. Plug into electrical outlet.

WARNING! Ensure vacuum is unplugged during assembly. Handle with care to avoid injury.

First-Time Use

Plug in vacuum; familiarize yourself with controls.

  1. Select surface setting: Use dial on handle for carpets, hard floors, or area rugs.
  2. Power on: Press power button on handle.
  3. Begin cleaning: Push vacuum forward and back on floor surface.
  4. Use attachments: Detach wand or Lift-Away pod for above-floor cleaning.
  5. Empty dust cup: Press release button when full.

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

Specifications

Controls and Settings

Handle controls: Power button, Surface dial (Carpet/Hard Floor/Area Rug), Brushroll on/off.

Main Body: Lift-Away release button, Dust cup release, Hose release, Wand release.

Settings: Surface dial adjusts suction and brushroll speed. Brushroll shutoff automatically activates on hard floors. LED lights turn on when vacuum is powered. Filtration system requires no tools for access.

Using Attachments

Attachments for specialized cleaning: Pet Multi-Tool, Crevice Tool, Upholstery Tool, Duster Crevice Tool.

  1. Detach wand: Press wand release button on handle.
  2. Select attachment: Click tool onto end of wand or hose.
  3. Clean surfaces: Use appropriate tool for furniture, stairs, corners, etc.
  4. Return attachments: Store on docking station when not in use.

Tip: Use Pet Multi-Tool for pet hair on furniture and stairs.

Cleaning Modes

Upright mode: For floor cleaning. Lift-Away mode: For portable cleaning.

  1. Upright cleaning: Use on floors with handle attached.
  2. Activate Lift-Away: Press release button to detach pod.
  3. Above-floor cleaning: Use wand and attachments for stairs, curtains, ceilings.
  4. Return to upright: Reattach pod until it clicks.
  5. Brushroll control: Automatically adjusts based on surface setting.

WARNING! Do not use vacuum to pick up liquids, matches, or hot ashes.

Maintenance & Care

Regular maintenance ensures optimal performance.

  1. Empty dust cup: Press release button; empty when full or after each use.
  2. Clean filters: Rinse HEPA and pre-motor filters monthly; air dry 24 hours.
  3. Check brushroll: Remove debris wrapped around brushroll regularly.
  4. Inspect hose and attachments: Clear clogs if suction decreases.
  5. Store properly: Wrap cord around cord hooks; store in dry area.

CAUTION! Unplug vacuum before maintenance. Do not use damaged parts.

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.

Troubleshooting

SymptomPossible CauseCorrective Action
Loss of suctionFull dust cup or clogEmpty dust cup; check hose, wand, and attachments for blockages.
Brushroll not spinningDebris wrapped around brushrollUnplug vacuum; remove debris from brushroll ends.
Vacuum won't turn onPower cord not plugged inEnsure plug is securely in outlet; check household circuit breaker.
Unusual noiseObject stuck in brushroll or hoseUnplug; inspect brushroll, hose, and wand for foreign objects.
Dust escaping from vacuumFilter not installed properlyEnsure HEPA and pre-motor filters are correctly seated and dry.

Reset: Unplug for 60 seconds; plug back in.

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

Shark APEX duo clean AX912 Vacuum Cleaner Manual © - All Rights Reserved 2025