22
EN
5
Faults, troubleshooting
5.1 Faults that you, as a user, are allowed to rectify
Fault
Possible cause
actions of the user/pati
-
ent
No sound.
Transmitter and receiver units have
different frequencies.
Set the channel switch to the
same position.
Transmitter and receiver units are
switched off.
Switch on the transmitter and
receiver units.
Volume control is on zero.
Turn the volume control to the
right.
Microphone is not connected.
Connect the microphone.
Batteries inserted incorrectly.
Insert batteries correctly. Ob-
serve the "+" and "–" signs!
Batteries are empty.
Replace or charge the batte-
ries.
Transmitter unit is too distant.
Place the transmitter unit closer
(within the range of 15 m).
Distortions, noise, crack-
ling, unwanted signals.
Störungen durch andere Sprachver-
stärker, Fernsehen, Radio, Funkge-
räte oder schadhafte Elektrogeräte.
Set the channel switch to ano-
ther channel.
Switch off interfering or dama
-
ged devices Have domestic
electrical installation checked
by an external specialist com-
pany.
If these measures prove unsuccessful, please send the device to Andreas Fahl Medizintech-
nik-Vertrieb GmbH for examination / repair.
Never undertake your own repairs. The device must only be opened by the manufacturer or
by its authorized companies / persons.
6
Spare parts for Voicetec
®
Pos. *
Part name
item no.
2
Clip-on microphone
77350-01
3
Hand microphone
77350-02
4
Microphone headband
77350-03
14
Power supply connector
77350-04
15
Carrying strap
77350-05
16
Rechargeable batteries for receiver
unit
77350-06
25
Audio connecting cable
77350-07
See part number according to the device overview chapter 2.1 and 2.2.
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