Eufy RoboVac Red Light 4 Beeps? Try These 11 Fixes

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Eufy Robovac Red Light

Robot vacuum cleaners are becoming a rave as people seek to reduce human involvement in accomplishing daily tasks. Powerful, quiet, smart, efficient, easy-to-use, and affordable, Eufy’s RoboVac products have become a household name for reliable and affordable robot vacuum cleaners.

However, Eufy RoboVac, as is the case with any other technological appliance does run into glitches and stop working from time to time. A common issue with RoboVacvacuum among users is the inexplicable stopping and beeping while cleaning.

When this happens, most users report that Eufy beeps 4 times. However, this number can vary from 1 to 4 depending on the cause of the glitch. In this article, we are going to explore the different reasons why your RoboVac stops and beeps mid cleaning, and ways to resolve the problem.

Why is My Eufy RoboVac Beeping with Red Light

There are several reasons why your Eufy may stop and beep in the middle of cleaning. One can usually tell from:

The number of beeps – once, twice, thrice or 4 times
The colour of the indicator light – blue, white, or red
The nature of the indicator light – stead or blinking

Also, for each of these states, say one beep for example, there can be a number of faults that result in that particular state. We will take a detailed look at each scenario and their possible causes, as well as provide solutions to them.

Please note that we have researched all the possible beep and light combinations so that you know exactly what the problem is when they occur.

1. Low Battery

RoboVac is adapted to be power efficient; that is, do lots of work while consuming as little power as possible. As a result of its staying power, users sometimes forget to charge their Eufy. When your Eufy battery is low, it will stop in the middle of cleaning and give off:

A 4-beep error sound
Flashing red indicator light

Once you see this beep and light combination, you can be sure that your Eury RoboVac needs charging.

2. Dead Battery

Another reason why your Eufy may stop and beep while cleaning is that the battery is actually dead or damaged. Eufy advises that you change your RoboVac batteries after a year as that is the battery lifespan. However, your battery could stop working even before then, with wrong usage practices like:

1. Charging RoboVac long after blue indicator light shows
2. Charging with a faulty wall socket

When your Eufy battery is dead, you will know by:

A 4-beep error sound
Flashing red indicator light
Charging with red indicator light

or

Stopping and beeping 4 times with red flashing indicator light shortly after full charge

3. Rolling Brush Stuck

The rolling brush on your Eufy RoboVac is the part that digs deeper into your carpet to ensure proper removal of dust and dirt. You would know it by the bristles or brushes that wind round a plastic frame.

During cleaning, the brush may get stuck in your carpet or some other object and give off:

A 4-beep error sound
A solid red indicator

Once you see this beep and colour combination, you can be sure that the rolling brush is stuck or faulty.

4. Wheels Not Rolling

The wheels are the feet of your Eufy robot vacuum cleaner and sometimes the feet can stop working for some reason. When the wheels stop working – even if it’s just one wheel – your RoboVac will stop mid cleaning and give off:

A single beep error sound
A solid red indicator light

This colour and beep combination guarantees that the problem is with one or more of the Eufy wheels.

5. Wheel is Hanging In The Air

A related scenario to the one above is where the Eufy is stuck with a wheel hanging in the air. This usually happens when your RoboVac tries to navigate an obstacle unsuccessfully. When this happens, it stops and gives off:

A single beep error sound
A flashing red indicator light

When you experience this combination on Eufy, be sure that your vacuum cleaner’s wheel is hanging in the air.

6. Drop Sensor Error

Drop sensors on your RoboVac enable the vacuum cleaner to detect the terrain of its surrounding and prevent it from falling of an edge such as a step. The drop sensor uses lighting among other factors to function properly. The drop sensor may malfunction if:

  • Your Eufy is on a black carpet
  • It is working under strong sunlight or very bright and concentrated light
  • The drop sensors are dirty

Whichever is the case, when there is an issue with the drop sensor, your RoboVac will stop in the middle of cleaning and give off:

A 3-beep error sound
A flashing red indicator light

This beep and sound combination means that the issue is certainly with the drop sensor.

7. Suction Fan Error

The suction fan speed determines how powerful or how much vacuum your Eufy can create. This, of course, is the core principle on which vacuum cleaners work. So, when there is an issue with the suction fan, it will stop in the middle of cleaning and give off:

A 3-beep error sound
A solid red indicator light

Once you observe this beep and sound combination, you can be sure that there’s an issue with the suction fan.

8. Stuck Bumper

The Eufy RoboVac vacuum cleaner comes with external bumper that goes round the device to protect your furniture and the RoboVac itself from damage. Because of the importance of the bumper, Eufy is designed to stop when the bumper is stuck somewhere.

So, when your Eufy bumper is stuck, it stops and gives off

A 2-beep error sound
A flashing red indicator light

With this beep and colour combination you are sure that the bumper of your Eufy is stuck.

9. Side Brush Stuck

The side brushes on Eufy are those bushes under the wheel, attached like fan blades to a circular base. They complement the roller brush for thorough cleaning of surfaces. When a side brush on RoboVac is stuck, the machine stops and gives off:

A 2-beep error sound
A solid red indicator light

Whenever you see this beep and colour combination, you can be certain that there’s an issue with the side brushes

How to Fix Eufy RoboVac Red Light 4 Beeps

Now that you know the precise meaning of each error indication on your RoboVac, let’s take a detailed look at how you can resolve each and every one of them to get your Eufy up and running again.

1. Resolving Low Battery Issues (4 Beeps And Flashing Red Indicator)

With the combination that indicates a low battery, all you have to do is charge your Eufy.

To charge:

1. Reconnect the adapter and the charging base.
2. Ensure that the indicator turns white.
3. Use a clean, dry microfibre cloth to clean the pins on the charging base and on the bottom of the vacuum that sits on the pins
4. Place your RoboVac within at most 6 feet of the charging base, and press the Return To Home button. This will make your Eufy dock on its own and connect properly at the charging pins

2. Resolving Damaged Battery Issues

When you try to charge your Eufy and it charges with a red indicator light, or when it shows a low battery indicator during use shortly after being fully charged, the battery is likely damaged.

This is more certain if your RoboVac is more than one year old. All you have to do is replace the battery and your RoboVac will start functioning well again.

Other Solutions for Charging With Red Indicator

If you encounter the charging with red light issue on your RoboVac well within the lifespan of the battery, please try the fixes below:

1. Remove the battery from the vacuum.

To do this:

Flip RoboVac on its back and power it off

Use a fitting screwdriver to unscrew that battery cover (there are 2 screws)

Gently remove the battery and disconnect the connection cable

2. Leave it for 10 minutes, and reinstall the battery

3. Charge for at least 6 hours to see if the light turns to solid blue.

Resolving Rolling Brush Stuck Issues (4 Beeps and Solid Red Indicator)

To resolve the rolling brush being stuck, please follow the steps below carefully:

1. Remove the rolling brush

2. Clean it out thoroughly and make sure there are no objects stuck to it

3. Charge the RoboVac for at least 6 hours until the indicator light turns a solid blue

Then try using your RoboVac again. If the problem persists, please try below:

1. Remove the brush guard and rolling brush

2. Run the vacuum on hard floors without the brush guard and rolling brush. That is, do not use on carpets

If the error persists, it is likely that the rolling brush or the brush guard is faulty. In other cases, the issue is from the Eufy software.You would need to contact Eufy for redress.

Resolving Wheels Not Rolling Issues (Single Beep and Solid Red Indicator)

When the wheel is not rolling there is a problem with the mechanics. To resolve it, please follow the steps below:

1. Clean the wheels and remove any objects that may be stuck on them

2. Shake or flick the wheels to make sure they are flexible and can roll

Then try using your Eufy again. If the error persists, disassemble the problem wheel to check if there’s an object stuck underneath it, or whether a connecting wire is broken

Resolving Wheel is Hanging In The Air Issues (Single Beep and Flashing Red Indicator)

When you encounter this error indication, please inspect your RoboVac and ensure that it’s not being obstructed by any object. Also make sure that all the wheels are flat and firmly on the ground. Then continue using your Eufy.

Resolving Drop Sensor Error Issues (3-Beep and Flashing Red Indicator)

When your Eufy gives this error combination, you need to ensure that there is nothing affecting the performance of the sensor. To do this:

1. Ensure that your RoboVac is not under direct, strong sunlight or other overpowering light source

2. If your RoboVac is on a black carpet, please place it on a brighter surface and see if the error stops

3. Ensure that your Eufy is charged

4. Perform a power cycle by powering off the Eufy (main power switch under your Eufy), waiting 2 minutes and powering it back on

5. Clean the drop sensors with a clean, dry microfibre cloth.

After completing all these, try again and see if the error has cleared

Resolving Suction Fan Error Issues (3 Beeps and Solid Red Indicator)

To resolve the suction fan error, please follow the steps below to resolve any issues that may have occurred with the suction fan:

1. Take out the dust collector and empty it. Please do not replace it yet.

2. Clean the suction inlet and air passage with a clean, dry microfibre cloth

3. Ensure that the filters are clean, in-place and well-aligned (depending on your RoboVac model, your vacuum cleaner may have 1 or 3 filters)

4. Hold the vacuum upright so that the front bumper is facing up, and the suction area is facing down.
5. Shake the RoboVac to ensure that the suction area is free from all dirt
6. Start the vacuum and make sure you can feel the air passing through the suction area, then turn it off immediately
7. Check for any wet parts in the suction area and all over the Eufy. If there are any, please allow to dry completely
8. Then replace the dust collector and retry using your Eufy.

Please note:

  • Do not allow your Eufy to run over any liquids or wet surface. Water will damage the internal parts
  • Please do not wash the filters. Brush them gently instead with a clean brush if they are dirty

Resolving Stuck Bumper Issues (2 Beeps and Flashing Red Indicator)

The stuck bumper error combination has to be handled with care. To resolve it, please do the following carefully:

1. Check and make sure that there is no debris stuck in the bumper
2. Check and make sure that the bumper is not stuck on anything
3. Gently, hit the bumper on any side

If these do not work, then:

1. Flip the RoboVac on a soft, flat surface
2. Power off your RoboVac
3. Gently pull off the side brushes
4. Use a screwdriver to remove all 8 screws that hold the bumper
5. Lift the bumper slightly…just enough to unplug the cable that connects it to the machine
6. Reconnect the cable, screw back the bumper and retry using your Eufy

Resolving Side Brush Stuck Issues (2 Beeps and Solid Red Indicator)

This error combination is generally the simplest to resolve. Just follow the steps below:

1. Flip the RoboVac on a soft, flat surface

2. Power off your RoboVac
3. Gently pull off the side brushes
4. Clean the brushes and ensure there are no hairs or any other object lodged in them
5. Turn the brushes and confirm that they spin freely.
6. Replace them in their position and use your Eufy again

Please note that if the brush does not spin freely, it is possibly due to wear on the motor.

Contact Eufy

If you try all the fixes we have provided for each scenario and your RoboVac still does not work, the issue may be due to a software glitch or some more technical malfunction. You may contact Eufy for support, with your RoboVac model and details of the problem. Be sure to also let them know what solutions you have tried.

Replace Eufy RoboVac

Your RoboVac can only last so long. It is usually more frustrating if you have not used it long enough before these issues arise. Whatever the case, if Eufy is unable to resolve your problem, you may just need to replace your Eufy RoboVac (view on Amazon) with a new and more reliable 11S model.

Also, please note that each of these parts is replaceable, so parts replacement may be worth a try before going for a complete Eufy replacement.

Brady Klinger-Meyers is an experienced tech writer and marketer who currently writes for Techzillo as well as other popular sites like MakeUseOf. At Techzillo, he focuses on consumer technology in general with his interest being Android OS. Read our Editorial Guidlines and Fact Checking process.

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