30
Troubleshooting
General
Problem
Cause
Action
Unit will not turn on
(no power)
Yellow wire not connected or incorrect voltage
Red wire not connected or incorrect voltage
Check connections for proper voltage (11~16VDC)
Black wire not connected
Check connection to ground
Fuse blown
Replace fuse(s)
Unit has power
(but no sound)
Speaker wires not connected
Check connections at speakers
One or more speaker wires touching each
other or touching chassis ground
Insulate all bare speaker wires from each other and
chassis ground
Unit blows fuse(s)
Yellow or red wire touching chassis ground
Check for pinched wire
Speaker wires touching chassis ground
Check for pinched wire
Incorrect fuse rating
Use fuses with correct rating
Unit has audio
(but no video)
Parking brake safety circuit not connected
Parking brake not applied
Check connections at parking brake
Apply parking brake as described
on page 26
No video display
(when in reverse)
Reverse circuit not connected
Vehicle is not in reverse
Check connections at reverse lamp
Select reverse gear
DVD does not start
playback
Physical defect in media
Wrong region
Check media for scratches
Use discs labeled "Region 1" or "All" only
IR remote does not work
Dead battery
Replace battery
Excessive skipping
Unit is not mounted correctly
Check mounting sleeve
Physical defect in media
Check media for scratches
Disc Region Incorrect
appears on display
Region code error
Use discs labeled "Region 1" or "All" only
Please keep your original sales receipt and be prepared to provide this receipt in
the event you require service, as your original receipt is considered the best proof of
purchase and indicates the date you purchased your Dual product.
Dealer Name
Dealer Phone
Purchase Date
Register your product online at
www.dualav.com.
For Your Records
Register Your Product
DV625BH
OPERATION
