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VM9324
TROUBLESHOOTING
Table 12: 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
Remote con-
trol does not
function
Battery depleted Replace battery with new one
Battery installed incor-
rectly
Remove battery and install correctly
No/low audio
output
Improper audio output
connection
Check wiring and correct
Volume set too low Increase volume level
Improper “MUTE” connec-
tion
Review wiring diagram and check
“MUTE” connection
Speakers damaged Replace speakers
Heavily biased volume
balance
Adjust the channel balance to the cen-
ter position
Speaker wiring is in con-
tact with metal part of car
Insulate all speaker wiring connections
Poor sound
quality or dis-
tortion
Pirated disc is in use Use original copy
Speaker power rating not
compatible with unit
Connect proper speakers
Speaker is shorted Check speaker contact
Unit resets
itself when
engine is off
Incorrect connection
between ACC and posi-
tive battery wire
Check wiring and correct
TFT MONITOR
Monitor does
not open auto-
matically
TFT Auto Open is turned
off
Turn TFT Auto Open on
No image Incorrect connection to
parking brake wire
Check wiring and correct
Parking brake is not
engaged
Stop vehicle in safe place and apply
parking brake
Flashing
image or inter-
ference
appears on
screen
DVD is not compatible
with current TV system
settings
Change setup to accommodate disc
Improper video signal
connections
Check wiring and correct