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21. Troubleshooting
Please check https://marvel-support.phonak.com for
further information.
Problem Causes What to do
Hearing aid whistles Hearing aid not inserted correctly into ear Insert hearing aid correctly (chapter 6)
Cerumen in ear canal Contact your hearing care professional
Hearing aid too loud Volume too loud Decrease volume if volume control available (chapter 8)
Hearing aid not loud
enough or distorted
Volume too low Increase volume if volume control available (chapter 8)
Low battery Charge hearing aid (chapter 4)
Earpiece blocked Clean earpiece (chapter 16)
Hearing has changed Contact your hearing care professional
Hearing aid plays two
beeps
Indication for low battery Charge hearing aid (chapter 4)
Hearing aid not functioning
(no amplication)
Earpiece blocked Clean earpiece (chapter 16)
Hearing aid is switched o Switch on the hearing aid (chapter 9)
Hearing aid will not
switch on
Battery fully discharged Charge hearing aid (chapter 4)
Button was inadvertently deactivated by
pressing the button longer than 15 seconds
Perform step 2 of the rebooting process (chapter 14)
Indicator light on hearing
aid does not light up when
hearing aid placed in
charging slots
Hearing aid not inserted correctly
into charger
Insert hearing aid correctly into charger (chapter 4)
Charger not connected to power source Connect charger to external power supply
Battery fully discharged Wait three hours after placing hearing aid in charger, regardless of
LED behavior
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