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6
Trouble Shooting
Symptom
What to Check
What to Do
No reception
Check whether connector is correctly
connected to the cable
–
use an efficiency
meter
Replace connector
Check if internal and external antenna base
is correctly attached
Attach antenna base
Check proper working order of antenna
cable
Replace antenna cable
Other party cannot
be properly heard
Check speaker’s proper working order
Replace speaker
A Phone problem may exist
Replace Phone
Check speaker location
Change location
User is not heard
by the other party
Check microphone and contacts
Tighten microphone connector to the
Phone
Check routing of microphone cable
Change routing of microphone cable
Check microphone’s proper working order
Replace microphone
A Phone problem may exist
Replace Phone
Noise is heard
Ask whether noise always occurs in specific
geographical areas
Explain that reception trouble
sometimes occurs in transition
between coverage areas
Ask whether noise occurs when window is
open
Explain that the Phone is an amplifying
system that receives all environmental
noise, and therefore it is preferable to
speak with a closed window
Check whether microphone and antenna are
installed on the same side
If they are, install microphone as per
the instructions
Check whether eye contact exists between
speaker and microphone
If it does, change location accordingly
Check for improper voltage connection –
check whether voltages are connected as
per instructions
Change voltage source in accordance
with instructions
Phone switches on
and off by itself
Check minus (-) connection
Black wire: connect minus to car body
Check voltage contacts
Tighten loose contacts
Phone switches on
and off by itself
Check fuse. Check connection to voltage
source (green cable)
Replace fuse. Tighten connection to
voltage source. Ensure a 250V / 2A
fuse is used
Phone does not
switch off after
switching off car
Check connection to power source (green
cable)
Tighten connection to power source
Phone does not
switch off after
switching off car
Check connection to power source. Check
fuse (red cable)
Replace fuse. Tighten connection to
power source
