The Shark SharkFlex HV390 Series is a versatile cordless stick vacuum cleaner featuring a flexible wand, DuoClean PowerFins brushroll, LED headlights, multiple cleaning modes, and a removable battery. It includes a wall mount, crevice tool, dusting brush, and upholstery tool. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.
Key components: Flexible wand, DuoClean PowerFins brushroll, LED headlights, Power button, Mode selector, Battery indicator, Removable battery, Dust cup release.
| Feature | Description |
|---|---|
| Flexible Wand | Bends to clean under furniture without bending over |
| DuoClean PowerFins | Combines bristle brush and soft roller for all floor types |
| LED Headlights | Illuminates dark areas for better visibility |
| Power Button | Turns vacuum on/off |
| Mode Selector | Switches between Eco, Normal, and Max suction modes |
| Battery Indicator | Shows remaining battery charge level |
| Removable Battery | Allows for easy charging and replacement |
| Dust Cup Release | Button to empty dust cup hands-free |
| Wall Mount | For convenient storage and charging |
| Attachments | Crevice tool, dusting brush, upholstery tool included |
Unpack and inspect all contents. Assemble components before first use.
WARNING! Ensure vacuum is turned off and battery is removed during assembly. Keep fingers clear of moving parts.
Charge battery fully before initial use.
CAUTION! Do not use vacuum while charging. Ensure area is clear of obstacles before operation.
Located on vacuum handle: Power button, Mode selector (Eco/Normal/Max), Battery indicator lights.
Power Button: Press once to turn on; press again to turn off.
Mode Selector: Cycle through Eco (quiet, extended runtime), Normal (balanced cleaning), Max (maximum suction for tough messes).
Battery Indicator: 3 LEDs show charge level (green = high, yellow = medium, red = low).
Wand Release: Button near handle to detach wand for above-floor cleaning.
Dust Cup Release: Button on back of vacuum to empty dust cup into trash.
Use attachments for specialized cleaning tasks.
Tip: Store attachments on wall mount for easy access.
Select mode based on cleaning need and desired runtime.
WARNING! Do not use on wet surfaces. Keep hair, loose clothing, and fingers away from brushroll.
Regular maintenance ensures optimal performance.
CAUTION! Unplug charger and remove battery before maintenance. Ensure all parts are completely dry before reassembly.
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. Battery must be recycled or disposed of separately from household waste.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Vacuum won't turn on | Battery not charged/inserted | Charge battery fully; ensure it's properly locked in place. |
| Reduced suction | Full dust cup/clogged filter | Empty dust cup; clean filters; check hose for blockages. |
| Brushroll not spinning | Debris tangled | Turn off vacuum; remove floor nozzle; clear hair and debris from brushroll. |
| Battery drains quickly | Mode setting/filter | Use Eco mode for longer runtime; ensure filters are clean and dry. |
| Vacuum won't charge | Dirty contacts/dock issue | Clean battery and dock contacts with dry cloth; ensure vacuum is properly seated on dock. |
| LED lights not working | Sensor blockage | Clean LED headlights and sensors; ensure they are not obstructed. |
Reset: Remove battery for 30 seconds, then reinsert.
Service: 1-800-798-7398; sharkclean.com