17
*89*0#
*89*1#
SL2 v. 2.01 EN
Service
Emergency
button
N/O
Emergency
button
N/C
Troubleshooting
The telephone beeps every
5 seconds during conversation.
This is to notify the passengers of the
ongoing call (anti eaves dropping).
The unit makes an alarm call when
powered up.
• Improper type of emergency button selected. Change from
NC to NO or from NO to NC.
• Emergency button is stuck.
The unit cannot make an alarm call.
• No telephone line present, check the telephone line (*).
• No emergency telephone number programmed.
• When using an alarm call center and communication is over
protocol make sure the ID number is programmed and the
correct call type is selected (Page 13 alarm codes & call type).
After dialing strange tones or message “service not available” appears.
• Wrong telephone number programmed.
• Service is not available, check the telephone line (*).
Unit breaks off in the start sequence of the alarm call.
• Power supply is too weak.
• Battery is weak or not charged.
Operator cannot hear the entrapped people in the cabin. If the
operator is accepting the call with a normal telephone meaning not
with a receiver or over protocol, make sure that the call type is set
to “VOICE” for the emergency call number.
Operator cannot hear the entrapped people in the cabin and the
call type is correct.
• Volume on the unit is set too high.
• Noise on the line prevents the microphones to automatically
switch, do a noise check (**).
• Microphone broken or not correctly connected, do a
microphone check (***)
• Microphone is not in line with the panel hole or rubber sleeve
is badly mounted.
Interference noise when the call is connected
If the main unit is installed on the car roof, the problem might be
due to induction. Do a noise check (**).
Poor/distorted sound quality.
Volume might be set too loud! Lower the volume and check again.
