The Shark APEX Duoclean NV850 Series is a powerful upright vacuum cleaner featuring DuoClean technology for deep carpet cleaning and bare floor pickup, Anti-Allergen Complete Seal technology with a HEPA filter, LED headlights, a large-capacity dust cup, powered lift-away functionality for above-floor cleaning, and various attachments for versatile cleaning. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.
Key components: DuoClean PowerFins brushroll, Anti-Allergen Complete Seal with HEPA filter, LED headlights on nozzle, Powered Lift-Away mode, Large-capacity dust cup, On-board attachment holder, and various cleaning tools.
| Feature | Description |
|---|---|
| DuoClean Technology | Combines a soft brushroll for hard floors and a bristle brushroll for carpets |
| Anti-Allergen Complete Seal | Traps 99.9% of dust and allergens inside the vacuum |
| HEPA Filter | Captures 99.97% of particles down to 0.3 microns |
| LED Headlights | Illuminates hidden debris under furniture |
| Powered Lift-Away | Detachable pod for portable above-floor cleaning |
| Large Dust Cup | Easy-to-empty, high-capacity container |
| On-Board Attachments | Convenient storage for crevice tool and upholstery tool |
| Adjustable Handle | Ergonomic design for comfortable use |
| Brushroll Shutoff | Automatically stops brushroll on hard floors |
| Power Switch | Turns vacuum on/off |
Unpack and inspect all contents. Assemble before first use.
WARNING! Ensure all parts are securely connected before operation. Keep fingers away from brushroll during assembly.
Before first use, ensure the vacuum is fully assembled and filters are installed.
CAUTION! Do not vacuum large debris, liquids, or hot ashes. Keep hair and loose clothing away from brushroll.
Main controls located on the handle and body. Handle: Power switch, floor selector (Carpet/Hard Floor). Body: Dust cup release, brushroll access, hose release for Lift-Away mode.
Operation Modes: Upright mode for floors, Powered Lift-Away mode for stairs and above-floor cleaning. Settings: Adjust suction power via floor selector; brushroll automatically shuts off on hard floors.
Attachments enhance cleaning versatility. Accessories: Crevice tool for tight spaces, upholstery tool for furniture, pet multi-tool for pet hair.
Tip: For pet hair, use the pet multi-tool with the brush activated.
Regular maintenance ensures optimal performance.
WARNING! Unplug vacuum before performing any maintenance. Do not use damaged filters.
Store in a cool, dry place. Wrap cord around cord hooks. Secure attachments on holders.
CAUTION! Do not store with a full dust cup. Keep away from heat sources and direct sunlight.
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.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Loss of suction | Full dust cup/clog | Empty dust cup; check hose, wand, and nozzle for clogs. |
| Brushroll not spinning | Debris/belt issue | Clear debris from brushroll; inspect and replace belt if worn. |
| Vacuum shuts off | Overheating/full filters | Let cool for 60 minutes; clean or replace filters. |
| Poor pickup on carpets | Incorrect setting | Set floor selector to Carpet mode; ensure brushroll is engaged. |
| Unusual noise | Foreign object | Turn off and unplug; inspect brushroll, hose, and wand for obstructions. |
Reset: Unplug for 60 minutes to reset thermal cutoff.
Service: 1-800-798-7398; sharkclean.com