No sound / Weak or muffled sound

Q: Check power and volume

Your hearing aid may be switched off or out of power. Switch the hearing aid on using its normal controls. For rechargeable aids, charge only when dry using the supplied charger; for disposable aids, fit a fresh battery the right way round. Check the volume and listening programme.

Q: Replace a blocked wax guard

A wax guard is the tiny filter that protects the speaker. Switch the hearing aid off. Use the correct replacement filter and the manufacturer’s removal tool. Remove the used filter as shown in your manufacturer’s instructions. Fit the new filter without pushing tools into the speaker. Switch on and test the sound.

Q: Check the soft tip and sound opening

Wax on the soft tip (dome) or earpiece can block sound. Switch the hearing aid off. Wipe the outside of the earpiece with a soft dry cloth. For a removable dome, follow your manufacturer’s instructions to clean or replace it with the same approved size.

Q: Clear and dry the tubing

Moisture or wax may block the tube. Switch off and detach only the earmould and tube if your audiologist has shown you how. Use a hearing aid tube blower on the detached tube only. Let the tubing dry fully before reconnecting.

If your hearing aid is not working, sounds weak or seems muffled, begin with simple power and cleaning checks. A flat battery, a blocked wax guard or dust over the microphones can reduce sound. The right check depends on your hearing aid style and how it is powered. Work through the safe steps below without forcing any parts apart. If your hearing itself suddenly changes, do not assume it is a device fault: contact your GP or NHS 111 urgently.