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SOUND PATH BLOCKED

When the sound path is blocked, the hearing aid is working and 

sound is coming in and being amplified, but it is not coming out. 

Usually the blockage is in the tubing, dome or earmould.

How to check

: turn the aid on and (if you can) detach tubing 

from the body of the aid – if the blockage is in the tubing, you 

will hear the aid working.

Wax blocking tubing

Slim tubes:

 clean using cleaning 

wires  – DON’T WASH 

Aid with earmoulds:

1)   use wax pick 

(available from 

Audiology)

 to remove wax 

from sound exit, add 

OR

 

2)   remove earmould and tubing 

from hook and wash earmould  

(only for behind the ear aids 

with plastic earmould)

If does not improve, tubing will 

need to be changed – contact 

Audiology for repair appointment 

or use postal repair service

Fluid  blocking tubing 

(aids with earmoulds)

Have a look at tubing
Clear drops – condensation from 

sweat – give aid a good shake 

– if always happening, could try 

air puffer or drying kit – contact 

Audiology
Brown fluid – may be a sign of ear 

infection! Please get ears checked 

and contact Audiology to get 

tubing changed

Batteries  

out of date 

(use-by date 

is shown on 

the back of 

the pack)

New supply 

needed – person 

should have 

yellow battery 

book – batteries 

available from 

libraries or from 

department.

Battery 

wrong  

way round

Remove and 

place in opposite 

way round.

Wrong 

battery type

Battery should  

fill compartment’

Battery 

compartment 

damaged

Examine  

for damage/rust – 

contact Audiology

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Summary of Contents for Nathos

Page 1: ...Hearing Aid Troubleshooting and Maintenance INSTRUCTIONS MAINTENANCE GUIDANCE HELP ADVICE Adult Audiology The Lauriston Building Level 1 39 Lauriston Place Edinburgh EH3 9HA Tel 0131 536 1637...

Page 2: ...ied by the hearing aid powered by the battery and travels through the tubing and dome into the person s ear Hearing aid is ON when a battery is in place and the battery compartment is closed and is OF...

Page 3: ...uld hear it whistle Newer aids usually play a little tune a few seconds after starting turn the aid on and hold it near your ear but not too close if you hear the tune the aid is probably working WHAT...

Page 4: ...tic earmould If does not improve tubing will need to be changed contact Audiology for repair appointment or use postal repair service Fluid blocking tubing aids with earmoulds Have a look at tubing Cl...

Page 5: ...This is called feedback sound escapes from the person s ear and is picked up by the hearing aid microphone and is amplified so more sound leaks out and more sound is amplified and so on Aid not inser...

Page 6: ...ed with other household batteries most large supermarkets have battery recycling cans HEARING AID IS WORKING BUT THE PERSON IS NOT HEARING WELL Hearing aids need maintenance every 6 9 months especiall...

Page 7: ...ons on how to replace the tube If you find it difficult to handle small objects or have eyesight problems and cannot replace the tube yourself then please ask a friend or relative to help or book a re...

Page 8: ...ld piece of tube as a measure for the new piece Push the end of the hearing aid hook firmly inside the new piece of tubing If the hearing aid is loose over the top of the ear try shortening the tube a...

Page 9: ...a time to avoid confusing left marked blue and right marked red aids Remove the tube from the main part of the hearing aid by unscrewing the top of the tube anticlockwise or by turning the tubing to...

Page 10: ...N YOU CAN MATCH UP A LOST HEARING AID WITH ITS OWNER MUCH MORE EASILY Name LEFT RIGHT Manufacturer and model Hearing Aid Serial No Earmould Serial No or name Manufacturer and model Hearing Aid Serial...

Page 11: ...Building Level 1 39 Lauriston Place Edinburgh EH3 9HA Tel 0131 536 1637 All hearing aids issued are NHS property and must be returned when no longer required Please take care of your hearing aids as...

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