Troubleshooting Guide

What might appear to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems.

PROBLEMPOSSIBLE CAUSESOLUTION

 

 

 

The power does not turn on.

The fuse has blown.

After checking for short circuits in the cables, replace the

 

 

fuse with one having the same rating.

 

 

 

 

No ACC position on vehicle ignition.

Connect the same cable to the ignition as the battery cable.

 

 

 

No sound can be heard, or the

The Attenuator function is turned on.

Turn off the Attenuator function.

volume is low.

 

 

 

 

The fader and/or balance settings are set all the way to one side.

Reset the fader and/or balance settings.

The input/output cables or wiring harness are connected incorrectly.

Reconnect the input/output cables and/or the wiring harness correctly. See the section on "Connecting Cables to Terminals".

Nothing happens when the

The computer chip in the unit is not functioning normally.

Press the reset button on the unit (see page 4).

buttons are pressed.

 

 

 

 

 

The sound quality is poor or

A speaker cable may be pinched by a screw in the car.

Check the speaker wiring.

distorted.

 

 

The speakers are not wired correctly.

Reconnect the speaker cables so that each output terminal

 

 

 

is connected to a different speaker.

 

 

 

Radio reception is poor.

The car antenna is not extended.

Pull out the antenna all the way.

 

 

 

 

The antenna control cable is not connected.

Connect the cable correctly, referring to the section on

 

 

"Connecting Cables to Terminals".

 

 

 

The memory is erased when

The battery cable has not been connected to the proper

Connect the cable correctly, referring to the section on

the ignition is turned off.

terminal.

"Connecting Cables to Terminals".

 

 

 

 

The ignition and battery cable are incorrectly connected.

Connect the cable correctly, referring to the section on

 

 

"Connecting Cables to Terminals".

 

 

 

The TEL mute function does

The TEL mute cable is not connected properly.

Connect the cable correctly, referring to the section on

not work.

 

"Connecting Cables to Terminals".

 

 

 

The TEL mute function turns on

The TEL mute cable is touching a metal part of the car.

Pull the TEL mute cable away from the metal part of the car.

even though the TEL mute

 

 

cable is not connected.

 

 

 

 

 

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