Troubleshooting
Charge
VOLT
Adjust volume
Use dehumidifier
Clean ear canal
Clean tubing/tip
Change tubing/tip
Turn
VOLT
on
Intermittent or
distorted sound
Feedback/
whistling
Weak or
no sound
For more detailed troubleshooting tips, see the following pages.
Issue:
Ac
tion S
te
ps:
21