Shark IZ251 Vacuum Cleaner Manual

The Shark IZ251 is a cordless, bagless stick vacuum cleaner featuring DuoClean PowerFins technology, Anti-Allergen Complete Seal, LED headlights, a removable pod for handheld cleaning, a large-capacity dust cup, and a wall-mountable charging dock. It is designed for versatile cleaning on carpets and hard floors. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Main vacuum body with DuoClean PowerFins brushroll, Removable handheld pod, LED headlights, Large-capacity dust cup with Anti-Allergen Seal, Wall-mount charging dock, and various cleaning attachments.

Assembly & Setup

Unpack and inspect all contents. Ensure all parts are present and undamaged.

1. Attach the handle: Align the handle with the main body until it clicks into place.
2. Install the wall dock: Mount the charging dock on a wall using provided screws (ensure it is near an outlet).
3. Charge the vacuum: Place the vacuum onto the dock; the battery indicator will light up during charging.
4. Attach cleaning tools: Connect desired tools (crevice tool, upholstery tool, etc.) to the handheld pod or wand as needed.

WARNING! Do not use the vacuum if any parts are damaged. Keep the charging dock away from water sources.

First-Time Use

Fully charge the vacuum before first use (approx. 4 hours).

1. Power on: Press the POWER button on the handle; the LED headlights will turn on.
2. Select mode: Press the POWER button again to switch between standard and boost modes (boost provides stronger suction but reduces runtime).
3. Begin cleaning: Push the vacuum forward and back over carpets or hard floors.
4. Convert to handheld: Press the release button to detach the pod for above-floor cleaning.

CAUTION! Do not vacuum large objects, liquids, or hot ashes. Keep hair and loose clothing away from the brushroll.

Specifications

• Type: Cordless Stick Vacuum with Handheld Pod.
• Technology: DuoClean PowerFins, Anti-Allergen Complete Seal.
• Battery: Rechargeable Lithium-Ion.
• Run Time: Up to 40 minutes in standard mode; up to 15 minutes in boost mode.
• Charging Time: Approximately 4 hours for a full charge.
• Dust Cup Capacity: 0.5 dry quarts.
• Attachments Included: Crevice Tool, Upholstery Tool, Multi-Surface Tool.
• Power Source: 120V AC, 60Hz (charging dock).
• Weight: 7.5 lbs (assembled).

Controls and Indicators

Main controls are located on the handle. Indicators: Battery LED lights (green = good, amber = medium, red = low).

Handle Controls: POWER button (On/Off/Mode), Release button for handheld pod.

Battery Indicator: Shows charge level when vacuum is on or charging. LED Headlights: Automatically turn on when vacuum is powered. Dust Cup Release: Button on the back of the pod to open the dust cup.

Cleaning Modes & Attachments

Two cleaning modes: Standard (for everyday cleaning) and Boost (for deep cleaning). Attachments: Use for specific cleaning tasks.

1. Turn off the vacuum before changing attachments.
2. For floors: Use the main DuoClean PowerFins head.
3. For crevices: Attach the crevice tool to the handheld pod.
4. For upholstery: Use the upholstery tool on furniture.
5. For dusting: Use the multi-surface tool.

Tip: Regularly check the brushroll for tangled hair or debris and clean as needed.

Emptying & Cleaning the Dust Cup

Empty the dust cup when it reaches the MAX fill line.

1. Turn off and detach the handheld pod.
2. Hold the dust cup over a trash can and press the release button to open the bottom lid.
3. Gently tap to empty debris. For fine dust, you may need to wipe the interior with a dry cloth.
4. Close the lid until it clicks securely.
5. Check and clean the filter: Remove the filter, tap it gently, and rinse with cold water if needed (allow to dry completely for 24 hours before reinserting).

WARNING! Do not use the vacuum without the filter. Ensure the dust cup and filter are completely dry before reassembly.

Battery & Charging

The lithium-ion battery is not user-replaceable. For optimal performance:

• Charge fully before first use.
• Store and charge at room temperature.
• If not using for extended periods, store with a 50% charge.
• Use only the provided charging dock.

CAUTION! Do not attempt to disassemble the battery. Dispose of the vacuum according to local regulations for electronic waste.

Care & Maintenance

Unplug the charging dock before cleaning. Wipe the vacuum body with a dry cloth. Regularly clean the brushroll, dust cup, and filters to maintain suction power.

CAUTION! Do not immerse the vacuum, battery, or charging dock in water. Do not use abrasive cleaners.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © SharkNinja Operating LLC. For support, visit sharkclean.com or contact 1-800-798-7398.

Troubleshooting

Reset: If vacuum behaves unexpectedly, remove from dock, hold POWER button for 10 seconds, then recharge.

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