I think my hearing aid is defective, now what?

If your hearing aid is defective, we can repair it for you. If you bought your hearing aid with us, the product may still have warranty. Before you contact us, we recommend that you first find out for yourself what might be wrong with the hearing aid. It often happens that there is something else wrong with the device that is easy to solve, such as: replacing the filter or the speaker. Therefore, we recommend going through the checklist below to find out if your hearing aid is defective or not.

To make it easier, we have made videos for all common situations so that you can follow exactly what to do. Replacing parts and cleaning your hearing aid has never been easier. Find out how our audiologists explain everything in simple 1-2-3 steps.

How to replace individual hearing aid parts yourself.

Watch instructionvideos

Checklist common issues 

First check the items below. Then if you still don't hear correctly, contact our customer service or visit our page: How does the repair process work?

  1. There may be a plug (earwax) in the ear, usually the hearing aid will give feedback. (a beeping sound).

  2. Check the battery with a battery tester. If necessary, replace the battery.

  3. If you have a rechargeable hearing aid, check the contacts of the hearing aids and the charger. If necessary, clean with special cleaning wipes. If you have rechargeable batteries that you can replace yourself, check with a regular battery whether the hearing aid now works. If so, order new rechargeable batteries.

  4. Check to see if the dome is clogged. Cleaning the dome every night with a damp cloth will prevent clogging. If necessary, replace the dome.

  5. Check to see if the filter is clogged. Replace the filter if necessary.

  6. Check that the earmold is not clogged. If necessary, clean the earpiece with the cleaning kit. Be sure to blow the tubing and earmold dry with a blower. Because one drop of water can completely shut off the tubing.

  7. Check the thintube for small tears or kinks. Because putting the thintube in and out can wear it out.

  8. Clean the speaker. Disconnect it from the hearing aid and insert the supplied black wire through the tubing. Replace the speaker if necessary.

  9. With in-the-ear hearing aids, it is important to always keep the microphone opening clean and open for good sound quality. You can use a soft brush for this. By lightly brushing over the opening(s), you can easily remove dirt from the microphone.
speaker zonder dome

Replace the speaker?

Shop for new speakers

Need new filters?

Shop for new filters

The (rechargeable) batteries of my hearing aid run out faster than I am used to.

Batteries last from 5 to 14 days, depending on the type and settings of the hearing aid. To avoid consuming power at night, we recommend opening the battery drawer every night. This way, the hearing aid can dry properly. By the way, drying a hearing aid is even better in a drying box. This prevents the hearing aid from malfunctioning due to moisture.

With a rechargeable hearing aid, the rechargeable batteries last for more than a year. Do you have hearing aids where you cannot replace the battery yourself and have checked that the hearing aid is properly and fully charged, but it still does not work? If so, please contact us.

Shop for batteries

My hearing aids are crackling

Sometimes cleaning or perspiration can cause moisture to get into the hearing aid. It can then make a crackling sound. Therefore, make sure that the hearing aids can dry properly.

A specially designed Drybox dries your hearing aids from the inside out and the built-in UV lamp kills 99% of bacteria, making the aids hygienically clean which also reduces the risk of infections.

Does the hearing aid still creak after using a drybox? If so, please contact us for repair.

Shop for a Drybox

If our tips did not help and your hearing aid is still defective, please contact our customer service or read more about the repair process via the button below:

How does the repair process work?


cedis hervul reinigingsdoekjes tegen bacterie dodend virus anti

Daily maintenance 

Buy cleaning wipes

Cedis Reinigings en droogset voor een hoortoestel in het oor 87002

Periodic maintenance

Buy a cleaning set

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By Yvan Karman