Jensen VM9215BT operating instructions Troubleshooting, Problem Cause Corrective Action

		VM9215BT
TROUBLESHOOTING
	Table 9: Troubleshooting
Problem	Cause	Corrective Action
GENERAL
Unit will not power on	Radio Fuse blown	Install new fuse with correct
		rating
	Car battery fuse blown	Install new fuse with correct
		rating
	Illegal operation	Press the RESET button
		located in the bottom right
		corner of the front panel
No/low audio output	Improper audio output	Check wiring and correct
	connection
	Volume set too low	Increase volume level
	Improper “MUTE”	Review wiring diagram and
	connection	check “MUTE” connection
	Speakers damaged	Replace speakers
	Heavily biased volume	Adjust the channel balance
	balance	to the center position
	Speaker wiring is in	Insulate all speaker wiring
	contact with metal part	connections
	of car
Poor sound quality or	Pirated disc is in use	Use original copy
distortion
	Speaker power rating	Connect proper speakers
	not compatible with
	unit
	Speaker is shorted	Check speaker contact
Unit resets itself when	Incorrect connection	Check wiring and correct
engine is off	between ACC and
	positive battery wire
TFT MONITOR
Monitor does not	TFT Auto Open is turned	Turn TFT Auto Open on
open automaticallyf	off
No image	Incorrect connection to	Check wiring and correct
	parking brake wire
	Parking brake is not	Stop vehicle in safe place
	engaged	and apply parking brake

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