One: mistakenly touch the shutdown
Some of the hearing aid controls not only have the function of adjusting the volume and program, but also the function of soft shutdown, such as three-in-one touch.
If accidentally touched to shut down, restart can be.
Two: The battery is dead
A dead or low battery is a common problem that causes hearing AIDS to be silent.
Sometimes even a newly replaced battery can cause silence, possibly because of improper storage, or even the quality of the battery itself. In addition, hearing aid batteries are susceptible to ambient temperature and humidity, and the weather is too cold or too humid, which will shorten the use time.
After the new battery is torn off the seal in winter, it is recommended to wait for 3 minutes, or put the battery between two fingers to rub it, so that the battery temperature rises, and the battery can be oxidized faster and more fully.
Three: the sound hole is blocked
The hearing aid sound hole is blocked by earwax foreign bodies, which will cause the sound to not conduct normally.
Remove blocked foreign bodies, use a brush and other tools to clean, custom hearing AIDS to replace cerumen caps.
Four: The sound guide tube is blocked
In winter, the temperature difference is large, and the hot air will enter the receiver through the earplug hole and condense in the interior, forming condensate water, blocking the sound hole and even causing the chip to be damp, resulting in small sound or even no sound.
Before use, carefully check the sound guide tube of the hearing aid, that is, the plastic short tube between the hearing aid and the ear mold, to see if there are water beads blocked, if there are water beads should be promptly dried or wiped clean.
Five: The microphone is blocked
The microphone protective cover is blocked by foreign matter, which will cause the hearing aid to be silent, and it needs to be cleaned or replaced in time.
Remove the foreign matter on the microphone shield, according to the guidance of professionals or go to the store to ask the inspector to help replace the new shield
1. Check for whistles;
2. Check whether it is a small sound that the patient has not heard for a long time, the brain's recognition of this part of the sound is reduced, and sometimes it will be misunderstood as noise, such as: the sound of rubbing clothes;
3. Check for foreign objects around the microphone, such as hair;
4. If it is an inear machine, check the sound tube for foreign bodies