The Shark Infinity NV31C is a versatile upright vacuum cleaner featuring DuoClean technology, Lift-Away capability, Anti-Allergen Complete Seal, LED headlights, and a large-capacity dust cup. It is designed for deep cleaning on both carpets and hard floors. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.
Key components: DuoClean brushroll, Lift-Away pod, Anti-Allergen Complete Seal filtration, LED headlights, large dust cup, wand, and various attachments.
| Feature | Description |
|---|---|
| DuoClean Technology | Dual brushrolls for carpets and hard floors |
| Lift-Away Mode | Detachable pod for portable cleaning |
| Anti-Allergen Complete Seal | Traps 99.9% of dust and allergens |
| LED Headlights | Illuminates dark areas under furniture |
| Large Dust Cup | Easy-empty, no-touch dirt disposal |
| Motorized Pet Tool | For removing pet hair from upholstery |
| Crevice Tool | For tight spaces and corners |
| Dusting Brush | For delicate surfaces and dusting |
| Upholstery Tool | For cleaning sofas and chairs |
| Power Switch | Turns vacuum on/off |
Unpack and inspect all contents. Assemble before first use.
WARNING! Ensure all parts are securely connected before use. Keep fingers away from brushroll.
Power on vacuum; adjust settings for floor type.
CAUTION! Do not vacuum large objects, liquids, or hot ashes.
Main controls: Power switch, floor type dial, suction control, Lift-Away release button.
Floor Type Dial: Adjust for carpets (setting I) or hard floors (setting II).
Suction Control: Located on handle; adjust for different surfaces. Lift-Away Release: Press to detach pod for above-floor cleaning. Brushroll On/Off: Switch to turn brushroll on for carpets or off for hard floors/delicate rugs.
Attach tools to wand or Lift-Away pod for specialized cleaning.
Tip: Use motorized pet tool on upholstery; crevice tool for edges; dusting brush for shelves.
Detach pod for portable cleaning above floors.
WARNING! Ensure pod is securely attached before returning to upright mode.
Regular maintenance ensures optimal performance.
CAUTION! Unplug vacuum before maintenance. Do not use damaged parts.
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 |
|---|---|---|
| Vacuum won't turn on | Power cord/outlet | Check power cord connection; try different outlet. |
| Loss of suction | Full dust cup/clog | Empty dust cup; check hose, wand, and nozzle for blockages. |
| Brushroll not spinning | Debris/worn belt | Clear debris from brushroll; inspect and replace belt if necessary. |
| Vacuum overheating | Clogged filters | Clean or replace filters; allow vacuum to cool. |
| Unusual noise | Foreign object | Turn off and check for objects in brushroll, hose, or wand. |
Reset: Unplug for 60 minutes if motor overheats.
Service: 1-800-798-7398; sharkclean.com