49
Symptom Possible causes Solutions
No sound
Worn-out battery Change battery pg. 16
Clogged sound outlet Clean corda
2
thin tube pg. 33
Clogged sound outlet Clean ear mould pg. 39
Intermittent
or reduced sound
Clogged sound outlet
Clean corda
2
thin tube pg. 33
Clogged sound outlet Clean ear mould pg. 39
Moisture Wipe battery and instrument with dry cloth pg. 42
Worn-out battery Change battery pg. 16
Squealing
noise
Hearing instruments inserted improperly
Reinsert hearing instruments pg. 21
Ear wax accumulated in ear canal Have ear canal examined by your doctor