What could indicate a malfunctioning hearing aid?

A persistent feedback sound in a hearing aid is a strong indicator of malfunction. Feedback is an audible sound that occurs when amplified sound from the hearing aid speaker escapes and re-enters the microphone, causing a loop. This not only suggests that the hearing aid may not be functioning properly but can also be associated with issues like improper fitting or blockage in the ear canal. Additionally, feedback can be a sign of internal component issues or a build-up of earwax that needs to be addressed.

In contrast, consistent high volume may not necessarily indicate a malfunction, as some users may require higher levels of amplification based on their hearing loss. Clear sound clarity suggests that the hearing aid is functioning correctly. Regular battery changes are a normal part of hearing aid maintenance and do not indicate a malfunction on their own; they simply reflect the routine upkeep needed to ensure the device operates efficiently.