English

Troubleshooting Guide

What might seem 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.

PROBLEM

POSSIBLE CAUSE

SOLUTION

 

 

 

 

The power does not turn on.

The fuse has blown.

After checking for short circuits in the wires, replace the

 

 

 

fuse with one with the same rating.

 

 

 

 

No sound can be heard, or the

Attenuator is turned on.

Turn off Attenuator.

volume is low.

 

 

The fader or balance settings are set all the way to one

Reset the fader or balance settings.

 

 

 

 

side.

 

 

 

 

 

 

 

The input/output wires or wiring harness are connected

Reconnect the input/output wires or the wiring harness

 

 

incorrectly.

correctly. See the section on "Connecting Wires to

 

 

 

Terminals".

 

 

The values of “VOL OFFSET” are low.

Increase the values of “VOL OFFSET”. (see p. 11)

 

 

 

 

Nothing happens when the

The computer chip in the unit is not functioning normally.

Press the reset button on the unit (see p. 5).

buttons are pressed.

 

 

 

 

 

 

The sound quality is poor or

One of the speaker wires is being pinched by a screw in

Check the speaker wiring.

distorted.

the car.

 

 

 

 

 

 

 

The speakers are not wired correctly.

Reconnect the speaker wires so that each output

 

 

 

terminal is connected to a different speaker.

 

 

 

 

Radio reception is poor.

The car antenna is not extended.

Pull the antenna out all the way.

 

 

 

 

 

 

The antenna control wire is not connected.

Connect the wire correctly, referring to the section on

 

 

 

"Connecting Wires to Terminals".

 

 

 

The memory is erased when

The battery wire has not been connected to the proper

Connect the wire correctly, referring to the section on

the ignition is turned off.

terminal.

"Connecting Wires to Terminals".

 

 

 

 

 

 

The ignition and battery wire are incorrectly connected.

Connect the wire correctly, referring to the section on

 

 

 

"Connecting Wires to Terminals".

 

 

 

 

The faceplate does not open or

The faceplate is incorrectly attached.

Reattach the faceplate correctly, See the section on

close.

 

"Removing the Faceplate".(page.14)

 

 

 

 

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