Why Bosch Dryer Beeps Twice and Won’t Start – Troubleshooting Guide

Bosch Dryers are nifty appliances and the brand is synonymous with quality and well-built products that last. But what if nothing happens after you press the start button, and all you hear are two beeps? Is that your dryer telling you that there is a serious problem, or is there a simple fix?

If your Bosch dryer fails to start and you hear two beeps, it may just be a simple case of using the incorrect setting or pressing the start button for too long. You can also check your vent duct or filters for excess lint. However, if the dryer still fails to start, it may have a faulty part.

Read on to find out why your dryer won’t start. This article will cover several potential reasons and how to fix them. 

1. Start Button Wasn’t Pressed Correctly

Your Bosch dryer will only start tumbling after you press the START button for 1 to 2 seconds. If you hold the button down too briefly, it will not start. On the other hand, pressing the button for 3 or more seconds will trigger a beep and your machine might not start, either.

The dryer will not spin unless the START button is pressed deliberately. This feature keeps you from activating a cycle by accidentally pressing or leaning against the START button. All the other buttons on the dryer will work with a single push.

How To Fix?

You should be able to get your dryer to start after pressing the START button for 1 to 2 seconds. Make sure your finger covers the button entirely. If the dryer still fails to start, you should try resetting it.

Most Bosch dryers have a reset switch, but a simple way to reset the dryer is to unplug the power cable from the outlet. Let the dryer sit for a few minutes before turning it back on. Once you’ve plugged it back in and the start sequence is complete, you should be able to start the dryer. 

Read: 3 Ways How To Fix Bosch Dryer Not Starting?

2. Door Switch Is Faulty

As a safety measure, the Bosch dryer will not start when the door is open. The dryer has a door switch with metal prongs that detect when the door is open or closed. A faulty door switch may indicate the door is open even when it is closed, preventing the machine from starting. 

This problem can be caused by dirt or lint getting trapped in the door switch. However, if the door switch is clean and the machine fails to start, the door switch might be defective and need to be replaced. 

How To Fix?

Before attempting to replace the switch on your dryer, try cleaning it out to see if that fixes the issue. The dryer switch is essentially the latch that keeps the door in place and is usually located at the door frame’s 9 and 12 o’clock positions.

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You can clean the door switch with a thin brush or a damp cotton swab. Below is a video that shows you how to clean it.

Check your owner’s manual for the part number if you have to replace the door switch. Once you have the replacement part, you can install it by following the instructions below:

  • Unplug your dryer from the power outlet.
  • Remove the wire or plastic band which holds the door seal in place by yanking it out with a flat screwdriver.
  • Peel the door seal back to give you access to the side of the door switch.
  • Unfasten the clip that holds the door switch in place and slide the switch towards the door seal.
  • Unplug the door switch and replace it with the new part. 

Some models of Bosch dryers may require you to remove the front panel to access the door switch. Watch the video below for additional guidance on replacing the door switch.

If your Bosch dryer is still under warranty, avoid replacing the door switch yourself and call Bosch’s warranty department for information on how to proceed. 

Read: Why Bosch Dryer Start Button Flashing?

3. Child-lock is Activated

Your Bosch dryer may fail to start if the child-lock is activated. Bosch dryers have a child-lock feature to prevent children from operating the machine, which may result in an accident or a nasty mess. The buttons on your dryer will not work when the child lock is on.

How To Fix?

You can deactivate the child lock by pressing the PROGRAMME DURATION and READY IN buttons at the same time for three seconds.

If you keep forgetting to deactivate the child lock on your dryer, consider leaving a reminder for yourself. Placing a sticky note on the dryer could work well. 

Read: Bosch Dryer DR Code – Troubleshooting Guide

4. No Drying Programme Selected

Bosch dryers have different drying settings to save time and energy while ensuring your clothes receive the best care. If you forget to choose a drying programme, the dryer will not start since it is unable to determine what type of cycle is needed for your laundry.

How To Fix?

Make sure you select a drying programme before pressing the START button. Choose GENTLE DRY for regular cotton garments and light clothing. The INTENSIVE DRY setting is more suitable for heavier fabric like towels and sheets. 

The video below walks you through all the dryer settings and gives you tips on how to choose the most suitable programme for the type of laundry you’re trying to dry:

5. Thermal Fuse Has Blown

Your Bosch dryer has a thermal fuse designed to trip if it detects the dryer is overheating. The thermal fuse is a small part, but it plays a critical role in preventing fires or severe damage to your dryer. 

If the thermal fuse has blown, your dryer will not start. A tripped fuse will cut power to the entire dryer or keep the drum from spinning.

How To Fix?

You can replace the thermal fuse by removing the dryer’s back panel. The fuse is usually located near the heating element. Check the fuse for continuity and replace it as needed.

Bear in mind that a tripped fuse is a symptom of another issue. You need to determine what caused the fuse to trip in the first place. Usually, a tripped fuse is triggered by a clogged vent duct or a dirty filter.

You should clean the filter after every drying cycle to prevent a build-up of lint. It may seem tedious, but the filter is conveniently located on the base of the door frame. 

You can clean the lint filter by following these instructions:

  • Pull out the two-part filter
  • Remove lint or debris from the filter recess
  • Separate the two-part filter by pulling it apart
  • Open each filter and remove the lint before rinsing it under warm water
  • Make sure the filter is completely dry before putting it back in the dryer

Refer to the video below for additional guidance on how to clean your filter:

Read: Bosch Washer Code E04 – Troubleshooting Guide

6. Vent Duct Is Blocked

Some Bosch dryers have vent ducts to allow hot air to escape. If the vents become blocked, it will cause the machine to overheat and trip the thermal fuse. However, even if the thermal fuse does not trip, the dryer may fail to start if its onboard computer detects low airflow.

How To Fix?

Before cleaning your vent duct, ensure the dryer is unplugged and give it enough time to cool down. Once the dryer is cool, access the vent tube from the back and remove the clamp. Remove lint and debris from the duct using a brush or vacuum cleaner. 

Read: Bosch Washer Code E17 – Troubleshooting Guide

Summary

Dealing with a dryer that won’t start can be quite a nuisance. The problem may stem from various issues, which can be pretty daunting to isolate. 

Fortunately, the problem will likely be caused by something simple like the door not being closed, the child-lock being on, or no drying programme being selected. 

If you’re unsure what’s keeping your dryer from starting, try simple remedies before tinkering with more complicated issues.

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