Minor Hearing Aid Problems and Corrections

Key words: Information, Technologies for Deaf/HH

Submitted by: Tamera Roach

Symptom of Aid:


Dead Aid

Possible Cause: battery: dead
Correction: check battery: replace if necessary

Possible Cause: battery: missing
Correction: replace

Possible Cause: battery: inserted incorrectly
Correction: insert with "+" in correct position

Possible Cause: battery: wrong type/size
Correction: replace with correct type/size

Possible Cause: battery: corrosion on contacts
Correction: rub with eraser

Possible Cause: ear mold/tubing: blocked
Correction: check ear mold, tubing and tone hook

Possible Cause: ear mold/tubing: tubing kinked
Correction: unkink, if possible, return to dispenser

Possible Cause: aid set to "T" position
Correction: set aid to "M" position

Possible Cause: blocked microphone
Correction: clean microphone

Intermittent Sound

Possible Cause: short circuit in volume control
Correction: manipulate volume control; if intermittent, return to dispenser

Possible Cause: poor battery contacts
Correction: rub contacts with eraser

Possible Cause: weak battery
Correction: check battery: replace if necessary

Possible Cause: moisture
Correction: check ear mold, tubing, hook; if moist, blow dry

Weak Sound

Possible Cause: battery or battery contacts
Correction: check battery: replace if necessary, rub contacts with erasers

Possible Cause: microphone blocked
Correction: clean microphone

Possible Cause: volume control
Correction: check to be sure volume control is set to correct level; adjust if necessary

Possible Cause: ear mold/tubing
Correction: be sure ear mold/tubing is free of blockage or cracks; clean or refer to dispenser

Poor Sound Quality

Possible Cause: battery/battery contacts
Correction: check battery: replace if necessary; rub contacts with eraser

Possible Cause: microphone covered
Correction: clean microphone

Possible Cause: ear mold/tubing
Correction: check for moisture/wax; remove

Feedback/Whistle

Possible Cause: ear mold/tubing
Correction: poor ear mold fit: refer to dispenser; cracked ear mold, tubing or tone hook: refer to dispenser; Be sure ear mold is inserted correctly

Possible Cause: volume too high
Correction: check volume control; adjust to normal level

Possible Cause: mechanical problems
Correction: return to dispenser

Possible Cause: medical
Correction: excessive wax in ear canal or fluid behind ear drum can cause feedback; medical referral

Note: If the above causes/corrections do not alleviate the problem, refer to dispenser

Guidelines for Daily Hearing Aid Check

Visual

General condition of aid:
okay
battered
switches missing
dirty (especially around microphone)

Battery:
okay
weak
dead
inserted incorrectly
corroded contacts

Ear mold:
blocked with wax
cracked

Tubing:
okay
brittle
broken/cracked
plugged

Tone hook:
okay
broken
plugged (not with filter)
loose

Auditory

Listening check should be done using five sound test:
oo
ee
ah
sh
s

General quality of sound:
okay
scratchy/distorted
intermittent
no sound

Volume control:
okay
nonlinear
stiff/loose
static
dead spots

Uploaded by: Melissa Close/ Kent State University/Deaf Education Major