This problem needs to be analyzed in detail.It may be that the hearing aid itself has a problem, of course, it may also be his hearing problem. This may have to be considered from many aspects.First of all, we need to eliminate the problem of the hearing aid itself, whether the hearing aid matches the audiogram, and second, is there any problem with the hearing aid itself, whether it is blocked, or whether there is any problem with other electronic components, or whether all channels are open, etc. And other issues, and then what is the reason for the patient’s hearing to cause hearing loss, whether it is suitable to wear thisHearing aid, May have to consider two aspects from the hearing aid itself and the patient’s own condition.
