45
Reference
Symptom
Probable cause
Corrective action / Workaround
Page
A loud noise is
frequently generated.
(Alarming chime,
beeping sound)
The remaining battery power is low.
Replace the old battery with a new one. If it does
not work, open the battery cover, wait for 30
seconds then close back again.
18
21-24
The hearing instrument is turned on
as soon as a battery is inserted.
Turn off the hearing instrument, wait for about
30 seconds, and turn it back on again. If it does
not work, replace the battery with a new one.
No sound is
produced.
The hearing instrument is powered
off.
Close the battery door completely then turn on
the hearing instrument.
26
The remaining battery power is low.
Replace the old battery with a new one.
18
21-24
The battery is installed improperly.
Insert the battery correctly.
Be sure to use a correct zinc air battery.