Bosch vacuum cleaner flashes red?

When you need to deep clean your home, your Bosch vacuum cleaner refuses to work normally? Does it flash red or red and blue? Unfortunately, although Bosch vacuum cleaners are renowned for their robustness, they too sometimes experience malfunctions. Fortunately, depending on the origin of the failure, solutions can solve the problem without going through customer service. So, find out now what to do when your Bosch vacuum cleaner flashes red?

Why is my Bosch vacuum cleaner flashing red?

According to Bosch vacuum cleaner type and model that you own, flashing red may not necessarily indicate the same problem. Therefore, we recommend that you consult the documentation provided with the purchase of your vacuum cleaner for a more precise diagnosis. If you do not have it, you can consult it online on their website under "our services" -> " HOW TO USE"

Why Bosch vacuum cleaner flashes red?

If you cannot find the information regarding the red flashing on your Bosch vacuum cleaner, here are the main reasons who can explain it:

  • Generally speaking, for corded or cordless vacuum cleaners, when the red “SmartControl” “Sensor Control” or “Alert Control” light starts flashing red, this means that the vacuum cleaner is dirty and that it can therefore no longer function optimally (overheating, poor suction, etc.). Generally it is the filters of the vacuum cleaner in question. It will therefore be necessary to clean them to try to find a vacuum cleaner in good working order.
  • When you charge your cordless Bosch vacuum cleaner, most models will flash red. This is nothing abnormal. The red light simply indicates that the battery is charging. When the battery is fully charged, the light should turn blue. If your Bosch stick vacuum cleaner no longer charging, we invite you to click on the link to find the information necessary for your breakdown.
  • If you charging light flashes blue and red on your Bosch stick vacuum, that it does not load and does not start, the problem comes from a loading fault. Very often it is the battery that is faulty. In this case, it is best to contact the Bosch customer service. An advisor will be able to tell you the procedure to follow.

What should I do when my Bosch vacuum cleaner flashes red?

As we have just seen, when your Bosch vacuum cleaner flashes red, the problem is due to clogging or poor air circulation. In this case, it will be necessary to check the various elements of the vacuum cleaner and if necessary, the nettoyer.

Again, depending on your vacuum cleaner model, cleaning may be slightly different. Refer to the instructions for use of your vacuum cleaner for clean and safe cleaning.

Check reservoir and tubing

At first, it may be that your Bosch vacuum cleaner flashes red to let you know that the tank is too full. All you have to do is empty it and clean it completely of dust. If you use a bagged vacuum cleaner, make sure you remember to put it back on. Be careful, if you have cleaned the tank with water, let it dry well before using it again. Remember to empty the tank regularly, before it reaches 3/4 so that the vacuum cleaner works optimally, to prevent the motor from getting dirty and/or overheating.

Then, check that the air circulates well and therefore that nothing obstructs the tube, the hose and the cells. Indeed, an accumulation of dust, animal hair, hair, or debris of any kind can partially or completely block the air ducts of the Bosch vacuum cleaner which will no longer be able to function optimally and will cause you to know by flashing red. To check that nothing is stuck in the hose, insert a broom handle or other long object to dislodge the clog.

Also check that the brush roll and/or the brush are not clogged by hair or lint. Do not hesitate to remove all dirt by hand that have accumulated on the roller. Run the brush under hot water, without using detergent. Then let it air dry.

Check, clean or replace filters

In the vast majority of cases, when the red light on the Bosch vacuum cleaner flashes, that means there is a filter problem.

If your vacuum cleaner has an automatic filter cleaning function, press the " Self Clean dedicated to this cleaning, ensuring that the vacuum cleaner is switched on. The vacuum cleaner then starts cleaning the filter, the operation lasts a few seconds. Then try to start your vacuum cleaner. If the light continues to flash red, then you will need to clean it by hand.

If your vacuum cleaner does not have an automatic cleaning function or if the function did not work, then carry out a manual filter cleaning. Check whether the filter of your model of vacuum cleaner is washable or not with water. If so, you can clean it with clear, cold water, without detergent. Let it air dry for 24 hours.

Read also: Most famous vacuum cleaner problems solved

Contact Bosch Service

If after cleaning your Bosch vacuum cleaner it continues to flash red, unfortunately it is very likely that the motor part is clogged. In this case, we strongly recommend that you contact the Bosch Service to safely clean your vacuum cleaner in one of their workshops. Note that this is all the more recommended if your vacuum cleaner is always under warranty (2 years minimum in France) because the service is free. Note that when you disassemble your vacuum cleaner to access the motor, you lose your warranty rights. If your Bosch vacuum cleaner is no longer under warranty, charges will apply.

You can contact the Bosch holder via mail, phone or by requesting a intervention of a technician on their website. We advise you first to contact them by phone to try to resolve the breakdown with an online adviser and to have personalized information on your situation.

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