9. ACCESSORIES AND REPLACEMENT PARTS
Accessories and replacement parts are available from the corresponding listed
service address under the stated material number.
Designation
3 x Earplugs, HA50
10. WHAT IF THERE ARE PROBLEMS?
Problem
No sounds can be
heard from the hea-
ring amplifier.
Item number and/or order number
163.940
Possible causes
- Hearing amplifier is not switched on.
- Battery is not inserted correctly (polarity).
- Battery flat.
- Microphone
1
- Hearing amplifier is damaged.
39
is dirty.
3
4