The Shark FLEX Duoclean HV394QCO is a versatile corded stick vacuum cleaner featuring DuoClean technology for cleaning carpets and hard floors, a flexible wand for under-furniture reach, a large dust cup, multiple cleaning modes, LED headlights, and various attachments. Powered by 120V AC, 60Hz. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.
Key components: Main vacuum unit with DuoClean brushroll, Flexible wand, Dust cup with emptying mechanism, Power cord, Various attachments (crevice tool, dusting brush, upholstery tool).
| Feature | Description |
|---|---|
| DuoClean Technology | Dual brushrolls for carpets and hard floors |
| FLEX Wand | Bends to clean under furniture without moving items |
| LED Headlights | Illuminates dark areas under furniture |
| Large Dust Cup | Easy-empty, no-touch dirt disposal |
| Cleaning Modes | Floor, Above-Floor, Handheld modes |
| Attachments | Crevice tool, dusting brush, upholstery tool included |
| Power Cord | Long cord for extended reach |
| Power Button | Turns vacuum on/off |
| Mode Selector | Switches between cleaning modes |
| Wand Release | Button to detach wand for handheld use |
Unpack and inspect all contents. Assemble before first use.
WARNING! Ensure vacuum is unplugged during assembly. Keep fingers clear of moving parts.
Plug in vacuum; perform initial check.
CAUTION! Do not use vacuum if brushroll is obstructed. Unplug before maintenance.
Power Button: On/off switch. Mode Selector: Floor mode for carpets/hard floors, Above-Floor mode for wand/attachments, Handheld mode for detachable pod.
LED Indicators: Headlights activate in Floor mode. Brushroll Indicator: Shows if brushroll is spinning. Dust Cup Full Indicator: Alerts when dust cup needs emptying.
Settings: Adjust suction power via mode selector. Use wand release for handheld cleaning. Empty dust cup via release button.
Attachments: Crevice tool for tight spaces, Dusting brush for surfaces, Upholstery tool for furniture.
Tip: Store attachments on dock for easy access.
Supports Floor, Above-Floor, and Handheld modes.
WARNING! Do not vacuum wet spills, large objects, or hot ashes. Unplug after use.
Regular maintenance ensures optimal performance.
CAUTION! Unplug before maintenance. Do not use damaged parts.
FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2023 SharkNinja Operating LLC. For support, visit www.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; ensure power button is pressed. |
| Loss of suction | Full dust cup/clog | Empty dust cup; check hose, wand, and nozzle for blockages; clean filter. |
| Brushroll not spinning | Debris/worn belt | Clear debris from brushroll; check belt for wear and replace if needed. |
| Vacuum overheats | Clog/filter | Turn off and unplug; check for clogs; clean filter; allow to cool 60 minutes. |
| Unusual noise | Foreign object | Turn off and unplug; inspect brushroll, hose, and attachments for objects. |
Reset: Unplug for 60 minutes; plug back in.
Service: 1-800-798-7398; www.sharkclean.com