Bernafon ZR9 - Troubleshooting Common Hearing Aid Issues

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Troubleshooting guide
Symptom Possible causes
Solutions
No sound
Dead battery
Replace the battery
Clogged sound outlet
Clean sound outlet* or replace the wax lter
Clogged microphone inlet
Clean microphone inlet* or replace lter
(T-Cap or O-Cap)
Hearing aid microphone muted
Un-mute the hearing aid microphone
Intermittent or
reduced sound
Clogged sound outlet
Clean sound outlet or replace the wax lter
Moisture
Wipe battery and hearing aid with a dry cloth
Dead battery
Replace the battery
Squealing noise
Hearing aid not inserted
properly
Re-insert the hearing aid
Ear wax accumulated
in ear canal
Have ear canal examined by your doctor
Pairing issue
with Apple
device
Bluetooth
®
connection failed
1. Unpair your hearing aids
(Settings g General g Accessibility g Hearing
Devices g Devices g Forget this device).
2. Turn Bluetooth
®
off and on again.
3. Open and close battery drawer on hearing aids.
4. Re-pair hearing aids (see section “Pair Hearing
Aids with iPhone”).
Only one hearing aid paired