Troubleshooting; If You Suspect Something Is Wrong; Common Problems - Lectronix T7000 Installation Instructions Manual

Troubleshooting

If You Suspect Something is Wrong

Check and take steps as described below. If the described suggestions do not solve the
problem, contact your dealer. Only qualified personnel should service the product. Always refer
diagnostics and repair to professionals. Lectronix, Inc. shall not be liable for any accidents arising
out of neglect or attempts to repair the unit.
Warning

Common Problems

The following tables provide possible solutions to common system problems.
Problem
Unit will not turn on
No Sound
Unwanted noise in the
audio
Noise is made in step with
engine revolutions
The speaker channels are
reversed between right
and left
Problem
Poor reception or Antenna installation or wiring of the antenna
noise cable is faulty.
Scanning for a radio Too far from radio stations
station finds no
stations
Stereo indicator FM station is too weak
does not appear for
FM station
Do not use the unit if you suspect faulty operation. Never try
to repair the unit by yourself.
Possible Cause
No power to the unit
Vehicle ignition switch is off
Audio is muted
The speaker lines are not wired correctly, or
there is a break or poor contact.
Audio source is blank - (radio station is off the
air, CD or USB stick is defective or has no
music tracks)
Audio balance or fade is set to speakers that
are not connected
The contact of the ground lead is poor.
Alternator noise comes from the vehicle.
The plus and minus terminals at right and left
channels of speakers are reversed.
Radio
Possible Cause
Check the wiring, rear connectors on the
unit and applicable fuses
Turn on vehicle ignition switch
Un-mute the audio. Push and release the
volume knob
Check the speaker wiring
Choose a different audio source with
content
Access the Sound sub-menu in the
System menu and move the balance or
fade controls as needed
Make sure that the ground lead is securely
connected to an unpainted part of the
chassis
Change the wiring position of the ground
lead and/or mount a noise filter on the
power supply
Consult the wiring diagram and correct
wiring problems.
Possible Solution
Check whether the antenna mounting position and
its wiring are correct.
Some areas of the country do not have strong
enough radio stations to be picked up by the scan
feature. Tune the radio manually to select a
weaker station
If an FM station is weak, the radio may play the
station in mono mode
16
Possible Solution