User Guide

16
Troubleshooting
Symptom
Possible F ault
Action
There is no
po w er
d
et ected
through
the
amplifier ( and
there is po w er
at the socket).
1) Power jack not plugged in or
f aulty .
2) Plug fuse has blo wn.
3) Faulty power supply unit .
4) Faulty amplifier .
1) Check po w er jack is firmly
plug ged in.
2)
Replace fuse. If it blo ws again,
replace the power supply unit.
3)
Replace the power supply unit .
4)
Replace amplifier .
The red LED is
illuminated on
front panel.
1) Constant red LED:
Staff or customer microphone
f ault.
2) Red LED comes on after speech:
Induction loop f ault.
1) Ensure microphone is wir ed
correctly and firmly plugged in.
Try alternative microphone to
ensure port is working.
2) Ensure induction loop connector is
wired correctly and firmly plugged
in.
I can’t hear
audio through
the induction
loop.
1) Induction loop or microphone is
disconnected.
2) Loop tester has a f ault.
1) Check instructions for correct
connections and, if possible, check
the hearing device with a kno
wn
working hearing loop .
2) Ensure loop tester has a new set
of b att eries.
I can hear
interfer enc e
through
speakers
(buzzing /
whistling /
hissing) .
1) Unscreened or poorly e arthed
third party equipment is being used
in close pro ximity .
2) Internal volume gain set to high.
3) Incorrect power supply being
used.
1) Switch off any third p arty
equipment to identify the source of
interf erence.
2) Ac cess the amplifier engineers
mode to adjust the internal
settings.
3) Ensure that our grounded po w er
supply unit is connected.
Amplifier
goes into
f eedb ack.
1 ) Internal volume gain set to high.
2) Microphone positioned too close
to spe ak er .
1 ) Ac cess the amplifier engineers
mode to adjust the internal
settings.
2) Move the microphone to a
location further from the spe ak er .
Unit does not
go into
po w er
saving mode.
1) Ambient noise in area is too high.
1) Switch off any air con syst ems,
desktop fans and or computers
t o
reduce ambient noise.