Wearing a hearing aid is good, how suddenly it didn’t react.
First check if the hearing aid battery is not powered, or replace the brand of the commonly used hearing aid battery, the voltage is unstable. Secondly, if the hearing aid is damp, the sound tube ear molds are all moisture or damaged, and the ear is demoulded or replaced. In the end, all the problems are ruled out, and it is still impossible to solve the problem and return to the factory for repair.
1Check if the battery is exhausted. Try replacing it with a new one.
2Check if the sound hole of the ear mold or the sound hole of the custom machine is blocked by ear wax.
3Check if it is caused by moisture problems.
4Whether the volume switch is turned on.
5Whether the battery compartment door is closed.
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