eufy 11S

An overview of eufy 11S

Eufy 11S is a standout Robot Vacuums that has earned a solid reputation among owners. Released in 2018, it is still widely available. Below we cover everything from specifications to troubleshooting.

To sum it up, The eufy 11S is a budget-friendly robot vacuum that delivers 2,200Pa of suction and navigates with Gyro.

Getting started

Setting up eufy 11S takes only a few minutes. Unbox it, follow the quick-start guide, and you are ready. If you run into any snags, the troubleshooting section below has you covered. Once it is running, eufy 11S largely looks after itself.

Build and design

Eufy 11S is built to a standard that feels solid and well thought out. The materials and finish are in line with what you would expect at this price point. For most owners, it is simple to set up and use. The controls are intuitive, and the overall experience is pleasant.

Key specifications

Under the hood, eufy 11S is defined by these figures.

• The Suction power: 2200 Pa
• Navigation: Gyro
• The Dock type: Standard
• Battery: 2500 mAh
• The Dustbin: 350 ml
• Water tank: 0 ml
• The Mopping: false
• Self-emptying: false
• The Mop washing: false
• Hot air drying: false

Taken together, these details are the numbers that matter most to most buyers.

Performance in practice

When you actually use it, eufy 11S delivers solid, repeatable results. It copes well with the demands of regular use. The results are consistent, and the unit rarely needs attention. That said, it is not without limits. Under extreme conditions, you will notice its boundaries. For most buyers, this will not be an issue.

Replacement parts and consumables

Over time, every Robot Vacuums needs a few replacement parts.

We have documented 88 parts that fit eufy 11S, including filters, brushes, and other consumables.

• Eufy L60 Filter (filter) — part #EUF-L60-FI
• The eufy L60 Left side brush (part) — part #EUF-L60-SI
• Eufy L60 Right side brush (part) — part #EUF-L60-SI
• The eufy L60 Main Brush Roller (part) — part #ROL-EUFY-L60
• Eufy L60 Side brush set (part) — part #EUF-L60-SI
• The eufy L60 SES Filter (filter) — part #EUF-L60SES-FI
• Eufy L60 SES Left side brush (part) — part #EUF-L60SES-SI
• The eufy L60 SES Right side brush (part) — part #EUF-L60SES-SI
• Eufy L60 SES Main Brush Roller (part) — part #ROL-EUFY-L60-SES
• The eufy L60 SES Side brush set (part) — part #EUF-L60SES-SI
• Eufy L70 Filter (filter) — part #EUF-L70-FI
• The eufy L70 Left side brush (part) — part #EUF-L70-SI
• Eufy L70 Right side brush (part) — part #EUF-L70-SI
• The eufy L70 Main Brush Roller (part) — part #ROL-EUFY-L70
• Eufy L70 Side brush set (part) — part #EUF-L70-SI
• The eufy G10 Filter (filter) — part #EUF-G10-FI
• Eufy G10 Left side brush (part) — part #EUF-G10-SI
• The eufy G10 Right side brush (part) — part #EUF-G10-SI
• Eufy G10 Main Brush Roller (part) — part #ROL-EUFY-G10
• The eufy G10 Side brush set (part) — part #EUF-G10-SI
• Eufy G10 Pro Filter (filter) — part #EUF-G10PRO-FI
• The eufy G10 Pro Left side brush (part) — part #EUF-G10PRO-SI
• Eufy G10 Pro Right side brush (part) — part #EUF-G10PRO-SI
• The eufy G10 Pro Main Brush Roller (part) — part #ROL-EUFY-G10-PRO
• Eufy G10 Pro Side brush set (part) — part #EUF-G10PRO-SI
• The eufy G20 Filter (filter) — part #EUF-G20-FI
• Eufy G20 Left side brush (part) — part #EUF-G20-SI
• The eufy G20 Right side brush (part) — part #EUF-G20-SI
• Eufy G20 Main Brush Roller (part) — part #ROL-EUFY-G20
• The eufy G20 Side brush set (part) — part #EUF-G20-SI
• Eufy G40 Filter (filter) — part #EUF-G40-FI
• The eufy G40 Left side brush (part) — part #EUF-G40-SI
• Eufy G40 Right side brush (part) — part #EUF-G40-SI
• The eufy G40 Main Brush Roller (part) — part #ROL-EUFY-G40
• Eufy G40 Side brush set (part) — part #EUF-G40-SI
• The eufy G30 Filter (filter) — part #EUF-G30-FI
• Eufy G30 Left side brush (part) — part #EUF-G30-SI
• The eufy G30 Right side brush (part) — part #EUF-G30-SI
• Eufy G30 Main Brush Roller (part) — part #ROL-EUFY-G30
• The eufy G30 Side brush set (part) — part #EUF-G30-SI
• Eufy 15C Filter (filter) — part #EUF-15C-FI
• The eufy 15C Left side brush (part) — part #EUF-15C-SI
• Eufy 15C Right side brush (part) — part #EUF-15C-SI
• The eufy T2251 Main Brush Roller (part) — part #ROL-EUFY-T2251
• Eufy 15C Side brush set (part) — part #EUF-15C-SI
• The eufy 15C Max Filter (filter) — part #EUF-15CMAX-FI
• Eufy 15C Max Left side brush (part) — part #EUF-15CMAX-SI
• The eufy 15C Max Right side brush (part) — part #EUF-15CMAX-SI
• Eufy T2252 Main Brush Roller (part) — part #ROL-EUFY-T2252
• The eufy 15C Max Side brush set (part) — part #EUF-15CMAX-SI
• Eufy 30C Filter (filter) — part #EUF-30C-FI
• The eufy 30C Left side brush (part) — part #EUF-30C-SI
• Eufy 30C Right side brush (part) — part #EUF-30C-SI
• The eufy T2190 Main Brush Roller (part) — part #ROL-EUFY-T2190
• Eufy 30C Side brush set (part) — part #EUF-30C-SI
• The eufy 30C Pro Filter (filter) — part #EUF-30CPRO-FI
• Eufy 30C Pro Left side brush (part) — part #EUF-30CPRO-SI
• The eufy 30C Pro Right side brush (part) — part #EUF-30CPRO-SI
• Eufy T2191 Main Brush Roller (part) — part #ROL-EUFY-T2191
• The eufy 30C Pro Side brush set (part) — part #EUF-30CPRO-SI
• Eufy 35C Filter (filter) — part #EUF-35C-FI
• The eufy 35C Left side brush (part) — part #EUF-35C-SI
• Eufy 35C Right side brush (part) — part #EUF-35C-SI
• The eufy T2290 Main Brush Roller (part) — part #ROL-EUFY-T2290
• Eufy 35C Side brush set (part) — part #EUF-35C-SI
• The eufy 11S Filter (filter) — part #EUF-11S-FI
• Eufy 11S Left side brush (part) — part #EUF-11S-SI
• The eufy 11S Right side brush (part) — part #EUF-11S-SI
• Eufy T2107 Main Brush Roller (part) — part #ROL-EUFY-T2107
• The eufy 11S Brush guard (part) — part #EUF-11S-BR
• Eufy 11S Side brush set (part) — part #EUF-11S-SI
• The eufy 11S Cable organizer (accessory) — part #EUF-11S-CA
• Eufy 11S Cleaning tool (accessory) — part #EUF-11S-MA
• The eufy 11S Charging cable (accessory) — part #EUF-11S-CH
• Eufy 11S Remote control (part) — part #EUF-11S-RE
• The eufy T2107 Floor Cleaning Solution (consumable) — part #SOL-EUFY-T2107
• Eufy 11S Max Filter (filter) — part #EUF-11SMAX-FI
• The eufy 11S Max Left side brush (part) — part #EUF-11SMAX-SI
• Eufy 11S Max Right side brush (part) — part #EUF-11SMAX-SI
• The eufy T2118 Main Brush Roller (part) — part #ROL-EUFY-T2118
• Eufy 11S Max Side brush set (part) — part #EUF-11SMAX-SI
• The eufy T2107 Replacement Battery (battery) — part #BAT-EUFY-T2107
• Eufy T2107 HEPA Filter (filter) — part #FIL-EUFY-T2107
• The eufy T2107 Side Brush (part) — part #SBR-EUFY-T2107
• Eufy T2107 Mop Pad (part) — part #MOP-EUFY-T2107
• The eufy T2107 Dust Bag (consumable) — part #DBG-EUFY-T2107
• Eufy T2107 Water Tank Filter (filter) — part #WFL-EUFY-T2107
• The eufy T2107 Dock Filter (filter) — part #DFL-EUFY-T2107

Swapping these components is a simple job, which keeps eufy 11S performing like new.

Care and maintenance

Eufy 11S rewards owners who keep up with basic upkeep. Cleaning the key components on a regular schedule is the single best way to avoid problems. When a part does wear out, replacing it promptly keeps the rest of the unit healthy. Looked after properly, eufy 11S will last a long time. Use the resources above to keep it performing at its best.

Troubleshooting eufy 11S

The most frequently reported problems with eufy 11S are listed here.

Main brush error

The robot stops or reports the main brush is stuck. Hair or debris is likely wrapped around the roller.

Most owners fix it by:

• Clear the main brush
• If the roller is worn or damaged, replace it with a genuine part.
• Clean the cliff sensors
• Turn the robot off and on to reset the sensors.

Error error-11

Wheel error — the robot may be stuck. One of the wheels is blocked, preventing the robot from navigating.

To resolve this:

• Inspect both wheels

The Error 12 issue

Robot cannot start or the wheel is stuck. The main brush or wheels may be jammed.

The fix is usually:

• Turn the robot over and remove hair or debris wrapped around the brush and wheels.
• Restart the robot

Error error-1

The robot reports a sensor fault and stops or moves erratically. The bumper or cliff sensors may be blocked by dirt or damaged.

To resolve this:

• Turn the robot over and wipe the bumper and all cliff sensors on the underside with a dry cloth. Restart and retry.
• Inspect the bumper assembly

Side brush error

The side brush is not spinning. It may be jammed or the screw may have loosened.

Most owners fix it by:

• Remove the side brush, unwrap hair from the base, and re-attach firmly.
• Replace the side brush

Error error-14

The robot does not charge on the dock. Charging contacts or the battery may be faulty.

To resolve this:

• Wipe the charging contacts on the robot and dock with a dry cloth.
• Replace the battery

The Error 3 — wheel stuck issue

A wheel is tangled in an obstacle or lifted off the ground, stopping navigation.

The fix is usually:

• Remove any tangled cables, carpets, or debris from the wheel. Place the robot on a flat surface and restart.
• Clean the wheel well

Error error-5

Left wheel is stuck. The robot cannot move forward. The left wheel may be blocked by debris or a fault in the drop sensor.

Most owners fix it by:

• Remove the main brush, clean it thoroughly to remove hair and debris, and reinstall it.
• Replace the main brush

For stubborn cases, professional service is the safest route.

What you get for the price

When you weigh what eufy 11S offers against its price, it stacks up well. What you get is a trustworthy, well-constructed device, without paying a premium for brand name alone. Add in cheap consumables and simple upkeep, and the total cost of ownership is attractive. For most buyers, eufy 11S represents money well spent.

The strengths and weaknesses

No product is perfect, and eufy 11S is no different. Its clear strengths are that it is straightforward, capable, and fairly priced. The flip side is that it lacks some of the bells and whistles of pricier rivals. For most buyers, the positives far outweigh the negatives. It is a dependable option that rarely disappoints.

Is eufy 11S a good match?

This model suits buyers who value reliability and straightforward operation. It may disappoint anyone expecting flagship-level extras. If you fall into the first group, eufy 11S is easy to recommend. It covers the essentials well without unnecessary frills.

What to weigh before buying

If you are weighing eufy 11S, consider the following. This model works well for regular household tasks, and it holds up well over time.

It competes with the eufy 35C, eufy 11S Max, the Dreame L20 Ultra, Roborock S8 Pro Ultra and the Roborock S8 MaxV Ultra, which makes a direct comparison worthwhile.

Other models worth a look

Eufy 11S does not exist in a vacuum. Another option might fit your situation more closely. Comparing a handful of models is time well spent.

Models most often compared with eufy 11S are the eufy 35C, eufy 11S Max, the Dreame L20 Ultra, Roborock S8 Pro Ultra and the Roborock S8 MaxV Ultra, and each has its own appeal.

Ultimately, eufy 11S stacks up well against its rivals. For the money, it is tough to do better.

Quick answers

Is eufy 11S a good investment?

For most people, yes. It delivers dependable results at an fair price.

How durable is eufy 11S?

With regular maintenance, eufy 11S should last for years. Staying on top of maintenance is what extends its life.

Where do I get consumables for eufy 11S?

The parts listed on this page are a good starting point. They are generally in stock from major retailers.

What should I do about Main brush error?

Main brush error is usually resolved by Clear the main brush, If the roller is worn or damaged, replace it with a genuine part. Clean the cliff sensors or Turn the robot off and on to reset the sensors.

How do I fix Error 11 on eufy 11S?

For Error 11, start with Inspect both wheels.

Why does eufy 11S show Error 12?

The typical fix for Error 12 is Turn the robot over and remove hair or debris wrapped around the brush and wheels. Or Restart the robot.

How do I fix Bumper / cliff sensor error on eufy 11S?

Bumper / cliff sensor error is usually resolved by Turn the robot over and wipe the bumper and all cliff sensors on the underside with a dry cloth. Restart and retry. Or Inspect the bumper assembly.

What should I do about Side brush error?

For Side brush error, start with Remove the side brush, unwrap hair from the base, and re-attach firmly. Or Replace the side brush.

How do I fix Battery cannot charge on eufy 11S?

Battery cannot charge is usually resolved by Wipe the charging contacts on the robot and dock with a dry cloth. Or Replace the battery.

Why does eufy 11S show Error 3 — wheel stuck?

The typical fix for Error 3 — wheel stuck is Remove any tangled cables, carpets, or debris from the wheel. Place the robot on a flat surface and restart. Or Clean the wheel well.

What should I do about Error 5?

For Error 5, start with Remove the main brush, clean it thoroughly to remove hair and debris, and reinstall it. Or Replace the main brush.

Which filter fits eufy 11S?

A compatible filter is the eufy L60 Filter, available as a replacement part.

Is there a part for eufy 11S?

Eufy 11S uses the eufy L60 Left side brush, and it is easy to source.

What part does eufy 11S use?

You will need the eufy L60 Right side brush, which is listed in our parts database.

Which part fits eufy 11S?

A compatible part is the eufy L60 Main Brush Roller, available as a replacement part.

Is there a part for eufy 11S?

Eufy 11S uses the eufy L60 Side brush set, and it is easy to source.

Which filter fits eufy 11S?

A compatible filter is the eufy L60 SES Filter, available as a replacement part.

What part does eufy 11S use?

You will need the eufy L60 SES Left side brush, which is listed in our parts database.

Is there a part for eufy 11S?

A compatible part is the eufy L60 SES Right side brush, available as a replacement part.

Which part fits eufy 11S?

Eufy 11S uses the eufy L60 SES Main Brush Roller, and it is easy to source.

Is there a part for eufy 11S?

You will need the eufy L60 SES Side brush set, available as a replacement part.

What filter does eufy 11S use?

A compatible filter is the eufy L70 Filter, which is listed in our parts database.

Is there a part for eufy 11S?

Eufy 11S uses the eufy L70 Left side brush, and it is easy to source.

Which part fits eufy 11S?

You will need the eufy L70 Right side brush, available as a replacement part.

What part does eufy 11S use?

Eufy 11S uses the eufy L70 Main Brush Roller, and it is easy to source.

Is there a part for eufy 11S?

A compatible part is the eufy L70 Side brush set, which is listed in our parts database.

Which filter fits eufy 11S?

You will need the eufy G10 Filter, and it is easy to source.

What part does eufy 11S use?

Eufy 11S uses the eufy G10 Left side brush, available as a replacement part.

Is there a part for eufy 11S?

You will need the eufy G10 Right side brush, and it is easy to source.

Which part fits eufy 11S?

A compatible part is the eufy G10 Main Brush Roller, which is listed in our parts database.

Is there a part for eufy 11S?

You will need the eufy G10 Side brush set, and it is easy to source.

What filter does eufy 11S use?

Eufy 11S uses the eufy G10 Pro Filter, available as a replacement part.

Is there a part for eufy 11S?

A compatible part is the eufy G10 Pro Left side brush, and it is easy to source.

Which part fits eufy 11S?

You will need the eufy G10 Pro Right side brush, which is listed in our parts database.

Is there a part for eufy 11S?

Eufy 11S uses the eufy G10 Pro Main Brush Roller, and it is easy to source.

What part does eufy 11S use?

A compatible part is the eufy G10 Pro Side brush set, available as a replacement part.

Is there a filter for eufy 11S?

Eufy 11S uses the eufy G20 Filter, and it is easy to source.

Which part fits eufy 11S?

You will need the eufy G20 Left side brush, which is listed in our parts database.

Is there a part for eufy 11S?

A compatible part is the eufy G20 Right side brush, available as a replacement part.

What part does eufy 11S use?

Eufy 11S uses the eufy G20 Main Brush Roller, and it is easy to source.

Is there a part for eufy 11S?

A compatible part is the eufy G20 Side brush set, available as a replacement part.

Which filter fits eufy 11S?

You will need the eufy G40 Filter, which is listed in our parts database.

Is there a part for eufy 11S?

Eufy 11S uses the eufy G40 Left side brush, and it is easy to source.

What part does eufy 11S use?

A compatible part is the eufy G40 Right side brush, available as a replacement part.

Is there a part for eufy 11S?

Eufy 11S uses the eufy G40 Main Brush Roller, which is listed in our parts database.

Which part fits eufy 11S?

You will need the eufy G40 Side brush set, and it is easy to source.

Is there a filter for eufy 11S?

Eufy 11S uses the eufy G30 Filter, available as a replacement part.

What part does eufy 11S use?

A compatible part is the eufy G30 Left side brush, which is listed in our parts database.

Which part fits eufy 11S?

Eufy 11S uses the eufy G30 Right side brush, available as a replacement part.

Is there a part for eufy 11S?

You will need the eufy G30 Main Brush Roller, and it is easy to source.

Which part fits eufy 11S?

A compatible part is the eufy G30 Side brush set, which is listed in our parts database.

What filter does eufy 11S use?

Eufy 11S uses the eufy 15C Filter, available as a replacement part.

Which part fits eufy 11S?

You will need the eufy 15C Left side brush, and it is easy to source.

Is there a part for eufy 11S?

A compatible part is the eufy 15C Right side brush, which is listed in our parts database.

Which part fits eufy 11S?

You will need the eufy T2251 Main Brush Roller, available as a replacement part.

What part does eufy 11S use?

Eufy 11S uses the eufy 15C Side brush set, and it is easy to source.

Which filter fits eufy 11S?

You will need the eufy 15C Max Filter, which is listed in our parts database.

Is there a part for eufy 11S?

A compatible part is the eufy 15C Max Left side brush, available as a replacement part.

What part does eufy 11S use?

You will need the eufy 15C Max Right side brush, and it is easy to source.

Which part fits eufy 11S?

Eufy 11S uses the eufy T2252 Main Brush Roller, which is listed in our parts database.

What part does eufy 11S use?

A compatible part is the eufy 15C Max Side brush set, and it is easy to source.

Is there a filter for eufy 11S?

You will need the eufy 30C Filter, available as a replacement part.

What part does eufy 11S use?

Eufy 11S uses the eufy 30C Left side brush, which is listed in our parts database.

Which part fits eufy 11S?

A compatible part is the eufy 30C Right side brush, and it is easy to source.

What part does eufy 11S use?

You will need the eufy T2190 Main Brush Roller, which is listed in our parts database.

Is there a part for eufy 11S?

Eufy 11S uses the eufy 30C Side brush set, available as a replacement part.

Which filter fits eufy 11S?

You will need the eufy 30C Pro Filter, and it is easy to source.

What part does eufy 11S use?

A compatible part is the eufy 30C Pro Left side brush, which is listed in our parts database.

Is there a part for eufy 11S?

Eufy 11S uses the eufy 30C Pro Right side brush, and it is easy to source.

Which part fits eufy 11S?

You will need the eufy T2191 Main Brush Roller, available as a replacement part.

Is there a part for eufy 11S?

A compatible part is the eufy 30C Pro Side brush set, which is listed in our parts database.

What filter does eufy 11S use?

Eufy 11S uses the eufy 35C Filter, and it is easy to source.

Is there a part for eufy 11S?

You will need the eufy 35C Left side brush, available as a replacement part.

Which part fits eufy 11S?

A compatible part is the eufy 35C Right side brush, which is listed in our parts database.

What part does eufy 11S use?

You will need the eufy T2290 Main Brush Roller, and it is easy to source.

Is there a part for eufy 11S?

Eufy 11S uses the eufy 35C Side brush set, available as a replacement part.

Which filter fits eufy 11S?

A compatible filter is the eufy 11S Filter, and it is easy to source.

What part does eufy 11S use?

You will need the eufy 11S Left side brush, which is listed in our parts database.

Is there a part for eufy 11S?

Eufy 11S uses the eufy 11S Right side brush, and it is easy to source.

Which part fits eufy 11S?

A compatible part is the eufy T2107 Main Brush Roller, available as a replacement part.

Is there a part for eufy 11S?

Eufy 11S uses the eufy 11S Brush guard, and it is easy to source.

What part does eufy 11S use?

You will need the eufy 11S Side brush set, which is listed in our parts database.

Is there an accessory for eufy 11S?

A compatible accessory is the eufy 11S Cable organizer, and it is easy to source.

Which accessory fits eufy 11S?

Eufy 11S uses the eufy 11S Cleaning tool, available as a replacement part.

Is there an accessory for eufy 11S?

You will need the eufy 11S Charging cable, which is listed in our parts database.

What part does eufy 11S use?

A compatible part is the eufy 11S Remote control, and it is easy to source.

Is there a consumable for eufy 11S?

You will need the eufy T2107 Floor Cleaning Solution, available as a replacement part.

Which filter fits eufy 11S?

Eufy 11S uses the eufy 11S Max Filter, which is listed in our parts database.

What part does eufy 11S use?

You will need the eufy 11S Max Left side brush, and it is easy to source.

Is there a part for eufy 11S?

A compatible part is the eufy 11S Max Right side brush, available as a replacement part.

Which part fits eufy 11S?

Eufy 11S uses the eufy T2118 Main Brush Roller, and it is easy to source.

What part does eufy 11S use?

You will need the eufy 11S Max Side brush set, which is listed in our parts database.

Is there a battery for eufy 11S?

A compatible battery is the eufy T2107 Replacement Battery, and it is easy to source.

Which filter fits eufy 11S?

Eufy 11S uses the eufy T2107 HEPA Filter, available as a replacement part.

What part does eufy 11S use?

You will need the eufy T2107 Side Brush, and it is easy to source.

Is there a part for eufy 11S?

A compatible part is the eufy T2107 Mop Pad, which is listed in our parts database.

Which consumable fits eufy 11S?

You will need the eufy T2107 Dust Bag, and it is easy to source.

What filter does eufy 11S use?

Eufy 11S uses the eufy T2107 Water Tank Filter, available as a replacement part.

Is there a filter for eufy 11S?

A compatible filter is the eufy T2107 Dock Filter, and it is easy to source.

What is the Suction power of eufy 11S?

Expect a Suction power of 2200 Pa.

How much Navigation does eufy 11S have?

Eufy 11S has a Navigation of Gyro.

What Dock type should I expect?

Its Dock type is Standard.

How much Battery does eufy 11S have?

Expect a Battery of 2500 mAh.

What is the Dustbin of eufy 11S?

Eufy 11S has a Dustbin of 350 ml.

What Water tank should I expect?

Its Water tank is 0 ml.

How much Mopping does eufy 11S have?

Expect a Mopping of false.

What is the Self-emptying of eufy 11S?

Its Self-emptying is false.

What Mop washing should I expect?

Eufy 11S has a Mop washing of false.

What is the Hot air drying of eufy 11S?

Its Hot air drying is false.

Final thoughts

On balance, eufy 11S is a dependable choice that delivers on its promises. Whether you are buying your first one or replacing an older model, eufy 11S is worth a close look. Keep this guide handy for maintenance and repairs down the road. In summary, eufy 11S is a reliable and capable Robot Vacuums. It covers the essentials, holds up over time, and is easy to maintain. If you are still on the fence, the specs, parts, and fixes above give you everything you need to decide. For the vast majority of buyers, eufy 11S is a decision you will not regret.