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<p data-start="157" data-end="593">If your hearing aid isn&rsquo;t working as expected, it may need repair. Common signs include:<br data-start="245" data-end="248" />✔ <strong data-start="250" data-end="277">No sound or weak volume &ndash; Try changing the battery or cleaning the device.<br data-start="328" data-end="331" />✔ <strong data-start="333" data-end="363">Distorted or muffled sound &ndash; This may be due to wax buildup or internal damage.<br data-start="416" data-end="419" />✔ <strong data-start="421" data-end="452">Whistling or feedback noise &ndash; Could be caused by improper fit or a faulty microphone.<br data-start="510" data-end="513" />✔ <strong data-start="515" data-end="534">Physical damage &ndash; Cracks or loose parts may require professional repair.

<p data-start="595" data-end="738">If troubleshooting doesn&rsquo;t fix the issue, it&rsquo;s best to take your device to a hearing aid repair specialist for a professional evaluation.