Beurer HA 20 Mode D'emploi page 41

10. TROUBLESHOOTING
Problem
No sounds can be
heard from the hea-
ring amplifier.
The tone is very weak
and faint.
Possible causes
- Hearing amplifier is not switched on.
- Battery is not inserted correctly (polarity).
- Battery flat.
- Microphone is dirty.
- Hearing amplifier is damaged.
- Volume setting on hearing amplifier is too low.
- Battery is almost flat.
- Earplug is dirty.
- Microphone is dirty.
- The earplug may be damaged.
- Battery compartment not securely closed. Close the
battery compartment.
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