ACR Electronics ZE-NES14 user manual Troubleshooting

ZE-NC514

TROUBLESHOOTING

■What appears to be trouble is not always serious. Please check the following points before calling a service center.

Problem	Cause	Corrective action
	General
	Unit fuse blown.	lnstall new fuse with correct rating.
Unit can not power on.	Car battery fuse blown.	lnstall new fuse with correct rating.
	lllegal operation.	Reset the unit.
	Battery depleted.	Change the Battery.
Remote control does not work.
	Battery installed incorrectly.	lnstall the battery correctly.
	lmproper audio output connection.	Check wiring and correct.
	Volume set too low.	lncrease volume level.
No/low audio output.	Speakers damaged.	Replace speakers.
	Heavily biased volume balance.	Adjust the channel balance to center
		position.
	Speaker wiring is in contact with metal	lnsulate all speaker wiring connections.
	part of car.
	Pirated disc is in use.	Use original disc.
	Speaker.	Replace speakers.
Poor sound quality
or distortion.	Wrong connections.	Check wiring and correct.
	Speaker is shorted.	Check wiring and correct.
Tel-Mute malfunction.	MUTE wire is grounded.	Check the 'MUTE' wiring and correct.
Unit resets itself when engine is off.	lncorrect connection.	Check wiring and correct.
	between ACC and BATT.
	TFT monitor
Monitor does not open automatically.	TFT Auto Open is turned off.	Turn TFT Auto Open on.
Warning information is shown at all	Parking break wiring is not correct.	Check wiring and correct.
times.
	The color system of DVD disc does not	Adjust the color system of the DVD disc
	match the monitor.	playing back or the monitor in us.
Flashing image or interference app
	Pirated disc is in use.	Use original disc.
ears
on screen.	Video cable damaged.	Replace cables.
	lmproper video signal connections.	Check wiring and correct.

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