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22. Troubleshooting
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 17)
Hearing has changed
Contact you hearing care professional
Hearing aid plays two
beeps
Indication for low battery
Charge hearing aid (chapter 4)
Hearing aid not functioning
(no amplification)
Earpiece blocked
Clean earpiece (chapter 17)
Hearing aid is switched off
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
Please check https://marvel-support.phonak.com for further information.
Summary of Contents for Bolero M Series
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