43
SafeLine SL6+ v.3.9.0 EN
Problem
Possible cause(s)
Solution
Interfering noise when the call is
connected.
If the main unit is installed
on the car roof, the problem
might be due to induction in
the phone cable.
According to the telephone
companies' regulations, the phone
line must be installed in a separate
cable. Do a noise test (**).
GSM noise.
• Change the antenna position
when a call is connected until
you find the optimal antenna
position.
• Do not install the antenna near
the main unit or close to the
cabling.
Cannot dial out.
Broken line connection
(LED 3 not flashing green).
No money on refill SIM card.
• Check the phone line connec-
tion (*).
• Verify the SIM card by inserting
it into a normal mobile phone.
Trouble-
shooting main
unit
*, **, *** Refer to chapter ”Related Test Procedures”