Shark POWERDETECT AZ3900ANZ Series Vacuum Cleaner Manual

The Shark POWERDETECT AZ3900ANZ Series is a cordless stick vacuum cleaner featuring POWERDETECT technology for enhanced suction on hidden debris, DuoClean PowerFins brushroll for multi-surface cleaning, Anti-Allergen Complete Seal technology, LED headlights, a removable battery, and multiple cleaning modes. 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 Attachments 7. Cleaning Procedures 8. Maintenance & Care 9. Battery & Charging 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: POWERDETECT motor, DuoClean PowerFins brushroll, LED headlights, Anti-Allergen Complete Seal filtration, removable battery, handheld configuration, crevice tool, dusting brush, and charging dock.

FeatureDescription
POWERDETECT TechnologyBoosts suction to detect and remove hidden debris
DuoClean PowerFins BrushrollCombines soft and stiff bristles for carpets and hard floors
Anti-Allergen Complete SealTraps 99.9% of dust and allergens inside the vacuum
LED HeadlightsIlluminates dark areas under furniture
Removable BatteryAllows for extended runtime with spare batteries
Handheld ConfigurationConverts to a portable vacuum for above-floor cleaning
Charging DockStores and charges the vacuum
Multi-Surface Cleaning ModesEco, Normal, and Boost modes for different surfaces
Large Dust CupEasy-to-empty, bagless design
Washable FiltersMaintains suction power and air quality

Assembly & Setup

Unpack and inspect all components. Assemble before first use.

  1. Attach the handle: Insert the handle into the main body until it clicks securely.
  2. Install the battery: Slide the battery into the compartment until it locks.
  3. Attach cleaning head: Connect the DuoClean PowerFins head to the wand.
  4. Charge the battery: Place the vacuum on the charging dock or plug the charger directly into the vacuum.

WARNING! Ensure the vacuum is turned off and unplugged from the charger during assembly. Keep fingers away from moving parts.

First-Time Use

Fully charge the battery before initial use. Follow these steps:

  1. Charge: Place on dock; charging indicator will illuminate. Full charge takes approximately 3.5 hours.
  2. Power on: Press the power button; select cleaning mode (Eco, Normal, Boost).
  3. Adjust suction: Use the mode button to switch between settings based on floor type.
  4. Empty dust cup: After cleaning, press the release button to empty the cup into a trash bin.

CAUTION! Do not use on wet surfaces or to pick up liquids, burning materials, or sharp objects.

Specifications

Controls and Modes

Main controls located on the handle: Power button, Mode selector, Battery indicator.

Cleaning Modes: Eco (for longer runtime on light debris), Normal (for everyday cleaning), Boost (for maximum suction on carpets and heavy debris).

Battery Indicator: LED lights show remaining charge (green = high, amber = medium, red = low, flashing red = needs charging).

Handheld Conversion: Press the release button to detach the wand and use as a handheld vacuum with attachments.

Cleaning Attachments

Included accessories: Crevice Tool, Dusting Brush, Upholstery Tool.

  1. Attach: Insert the desired tool into the handheld vacuum or wand end.
  2. Use: Select appropriate mode for the task (e.g., Boost for upholstery).
  3. Store: Keep attachments in the storage compartment on the charging dock.

Tip: Use the dusting brush for delicate surfaces and the crevice tool for tight spaces.

Cleaning Procedures

For optimal performance on different surfaces:

  1. Carpets: Use Boost mode for deep cleaning; move slowly to allow brushroll to agitate fibers.
  2. Hard Floors: Use Normal or Eco mode; ensure brushroll is free of hair and debris.
  3. Above-Floor: Convert to handheld; attach appropriate tool for furniture, curtains, or ceilings.
  4. Empty Dust Cup: Hold over trash; press release button to open bottom lid.
  5. Clean Filters: Remove and rinse foam and HEPA filters monthly (see Maintenance).

WARNING! Always turn off the vacuum before changing attachments or emptying the dust cup.

Maintenance & Care

Regular maintenance ensures peak performance and longevity.

  1. Empty dust cup after each use.
  2. Check brushroll for tangled hair or threads; cut away with scissors if needed.
  3. Wash foam and HEPA filters every 3 months (or as needed) under cold water; air dry for 24 hours before reinstalling.
  4. Inspect battery contacts; clean with dry cloth if dirty.
  5. Store vacuum on charging dock in a cool, dry place.

CAUTION! Do not use damaged filters or operate without filters installed.

Battery & Charging

The lithium-ion battery is removable and rechargeable.

WARNING! Do not expose battery to fire, water, or extreme temperatures. Do not attempt to disassemble.

Regulatory Information

FCC Compliance: This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that it does not cause harmful interference. Copyright © SharkNinja Operating LLC. POWERDETECT, DuoClean, Anti-Allergen Complete Seal are trademarks of SharkNinja. For support, visit sharkclean.com or contact 1-800-798-7398.

Troubleshooting

SymptomPossible CauseCorrective Action
Vacuum won't turn onBattery not charged/insertedCharge battery fully; ensure it is properly seated.
Reduced suctionFull dust cup/clogged filtersEmpty dust cup; clean filters; check for blockages in hose or brushroll.
Brushroll not spinningTangled debrisTurn off vacuum; remove and clean brushroll.
Battery not chargingFaulty connectionClean charging contacts on dock and vacuum; ensure proper alignment.
OverheatingContinuous use in Boost modeTurn off and let cool for 45 minutes; use lower mode for extended cleaning.

Reset: Remove battery for 10 seconds, then reinsert.

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

Shark POWERDETECT AZ3900ANZ Series Vacuum Cleaner Manual © - All Rights Reserved 2025