Polaroid Digital AIR 3D Use And Maintenance Manual page 160

Simple Failure Analysis and Troubleshooting
FAILURE CAUSE
Hearing aid is not worn correctly
The volume is too loud
Cracked hearing aid
Whistling
Your hands or other objects are
very close to the hearing aid
Too much earwax
Power off
Hearing aid battery is not installed Install the battery
Silence
Low battery or no power
Din blocks the earplugor tube
Low battery
Small voice
Hearing loss change
Not clear
Hearing aid is damped
Distortion
Din blocks the sound tube
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SOLUTION
Correct and wear it again
Turn down the volume
Contact sales support
Move your hands or other objects
away from ears or position the objects
at a sufficient distance from the ear
Clean earwax or sales support
Turn on
Replace it with new battery
Clean earwax or sales support
Replace it with new battery
Consult the audiologist
Dry with a cloth or sales support
Clean the sound tube or sales support