1. Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Miele Triflex HX1 Pro cordless vacuum cleaner. Please read these instructions carefully before first use to ensure proper handling and to prevent damage.
The Miele Triflex HX1 Pro is a versatile cordless vacuum cleaner featuring an innovative 3-in-1 design, offering flexibility for various cleaning tasks. It includes two rechargeable Lithium-Ion batteries for extended run-time and a HEPA Lifetime Filter for enhanced air hygiene.
2. Safety Instructions
Always observe basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and personal injury.
- Do not operate the vacuum cleaner with a damaged cord or plug.
- Do not use the vacuum cleaner on wet surfaces or to pick up liquids.
- Keep hair, loose clothing, fingers, and all parts of the body away from openings and moving parts.
- Do not pick up anything that is burning or smoking, such as cigarettes, matches, or hot ashes.
- Do not use without dust bin and filters in place.
- Store the vacuum cleaner indoors in a dry place.
- Only use attachments recommended by the manufacturer.
3. Setup and Assembly
The Miele Triflex HX1 Pro requires assembly before initial use. The package includes the Power Unit, Battery, Handle, Wand, Power Head, Docking Station, Upholstery Tool, Crevice Tool, and Dusting Brush.
3.1 Component Overview

Image: The Miele Triflex HX1 Pro shown in its three primary configurations: handheld, stick with power unit at the top, and stick with power unit at the bottom.
3.2 Initial Charging
Before first use, fully charge both Lithium-Ion batteries. The charging time is approximately 240 minutes (4 hours) per battery. Use the provided docking station or the additional battery charger.

Image: A close-up view of the removable Lithium-Ion battery being inserted into the vacuum cleaner's power unit.

Image: The additional battery charger for the Miele Triflex HX1 Pro, designed to charge a second battery independently.
3.3 Wall Bracket Installation
For convenient storage and charging, install the wall bracket in a suitable location. Ensure the bracket is securely mounted to a wall stud or using appropriate anchors.

Image: Two Miele Triflex HX1 Pro vacuum cleaners shown mounted on their respective wall brackets for storage and charging.
4. Operating Instructions
The Miele Triflex HX1 Pro features a 3-in-1 design for adaptable cleaning and a simple one-switch turn-on control.
4.1 Powering On and Off
To turn the vacuum cleaner on, press the power button once. To turn it off, press the power button again. The vacuum cleaner offers three power levels, which can be adjusted via the touch controls on the power unit.
4.2 3-in-1 Design Modes
The Triflex HX1 Pro can be configured into three distinct modes:
- Comfort Mode: The power unit is positioned at the bottom, near the electrobrush. This configuration provides a low center of gravity, making it feel lighter for ergonomic cleaning of large floor areas. The vacuum stands upright unaided in this mode.
- Reach Mode: The power unit is positioned at the top, near the handle. This mode offers maximum reach, ideal for cleaning ceiling corners, high shelves, or underneath low furniture.
- Compact Mode: The power unit is detached from the wand and used as a handheld unit. This mode is suitable for quick clean-ups, cleaning car interiors, upholstery, or tight spaces using the included accessories.

Image: A person using the Miele Triflex HX1 Pro in Comfort Mode, with the power unit positioned near the floorhead, for ergonomic cleaning.

Image: A person using the Miele Triflex HX1 Pro in Reach Mode, with the power unit at the top, to clean under a sofa.

Image: A person using the Miele Triflex HX1 Pro in Compact Mode, as a handheld vacuum, to clean sofa upholstery.

Image: An illustrative image demonstrating the three flexible configurations of the Miele Triflex HX1 Pro: handheld, stick with power unit at the top, and stick with power unit at the bottom.
4.3 Multi Floor XXL Electrobrush
The vacuum is equipped with an 11-inch Multi Floor XXL Electrobrush featuring BrilliantLight LED lighting and automatic floor detection. This ensures effective and quick cleaning across all floor types, including bare floors, carpets, and rugs. The LED light illuminates dust and debris, making it easier to spot and clean.

Image: A close-up view of the Multi Floor XXL Electrobrush of the Miele Triflex HX1 Pro, showing its integrated LED lighting on a floor surface.
4.4 Battery Life
With two exchangeable, rechargeable VARTA Lithium-Ion batteries, the vacuum provides up to 2 x 60 minutes (120 minutes total) run-time, allowing for extensive cleaning without interruption.
5. Maintenance
Regular maintenance ensures optimal performance and longevity of your Miele Triflex HX1 Pro.
5.1 Emptying the Dust Bin
The dust bin has a capacity of 0.5 liters. It should be emptied regularly, especially when the 'MAX' line is reached. To empty, detach the power unit, locate the release mechanism, and carefully open the bin over a waste receptacle. It may be tricky initially, but becomes easier with practice.

Image: An internal view of the Miele Triflex HX1 Pro showing the HEPA Lifetime Filter and the airflow path, illustrating the dust retention system.
5.2 Filter Maintenance
The Triflex HX1 Pro features a maintenance-free HEPA Lifetime Filter, designed for 99.999% dust retention. While the HEPA filter itself does not require washing, other filters within the dust bin system do require attention:
- Fine Filter: This narrow white filter should be gently shaken to remove accumulated dust. Do NOT get it wet.
- Pre-Filter: This larger filter should be lightly knocked to dislodge dirt. A fine brush (e.g., a toothbrush) can be used to clean it.
- The clear plastic container that houses the filters can be washed with water. Ensure it is completely dry before reassembling.
It is recommended to clean these components every time the dust bin is emptied to prevent buildup and maintain suction performance.
5.3 Cleaning the Electrobrush
Periodically check the Multi Floor XXL Electrobrush for tangled hair or fibers. If the brush roll becomes fouled, it can impede performance. Carefully remove any obstructions. If larger particles or paper pieces are picked up, they may block the power head, requiring removal of the power head to clear the debris from the duct.
6. Troubleshooting
This section addresses common issues you might encounter with your Miele Triflex HX1 Pro.
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum does not turn on. | Battery not charged or not properly inserted. | Ensure battery is fully charged and correctly seated in the power unit. |
| Reduced suction power. | Dust bin full; filters clogged; blockage in wand or power head. | Empty dust bin. Clean fine filter and pre-filter. Check wand and power head for obstructions. |
| Electrobrush not spinning. | Brush roll tangled with hair/fibers; power head blocked. | Clean brush roll. Remove power head and clear any debris from the duct. |
| Battery not charging. | Charging cable or docking station malfunction; battery not properly connected. | Ensure charging cable is securely connected. Try charging the second battery to isolate the issue. Contact Miele service if problem persists. |
| Vacuum is heavy to push (in Comfort Mode). | This is a perception, but ensure the power unit is correctly positioned at the bottom for Comfort Mode. | Verify correct assembly for Comfort Mode. The design aims for ergonomic balance. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Miele |
| Model Name | Triflex HX1 Pro |
| Item Model Number | 11423920 |
| Color | Infinity Grey |
| Product Dimensions | 8.75"L x 11"W x 45.3"H |
| Item Weight | 7.9 pounds |
| Wattage | 63 watts |
| Noise Level | 78 dB |
| Battery Type | 2 Lithium-Ion batteries (included) |
| Charging Time | 240 minutes (per battery) |
| Battery Life | Up to 120 minutes total (2x 60 min) |
| Dust Bin Capacity | 0.5 Liters |
| Filter Type | HEPA Lifetime Filter |
| Special Features | Cordless, Stands on its own, 3-in-1 design, Multi Floor XXL Electrobrush with BrilliantLight LED |
| Included Components | Power Unit, Battery, Handle, Wand, Power Head, Docking Station, Upholstery Tool, Crevice Tool, Dusting Brush |
8. Warranty Information
The Miele Triflex HX1 Pro comes with a 2-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims. For specific terms and conditions, refer to the warranty documentation included with your product or visit the official Miele website.
9. Customer Support
If you have any questions, require technical assistance, or need to report a problem that cannot be resolved using the troubleshooting guide, please contact Miele customer service. Contact information can typically be found on the Miele official website or in the documentation provided with your product.





