ASA Electronics AOM703 - Manual (Page 12)

TROUBLESHOOTING
No power
Video/No audio
Monitor does not
activate in
Standby reverse
trigger
Negative/dark
video image
No video/no audio
Vehicle battery
drained
No +12V accessory, No
ground, mis-wired/reversed
White audio trigger wire
not powered, Volume adjust
down
Blue standby wire not powered
Low voltage, Brightness
adjustment down
Camera connection
+12V ACC (red wire)
connected to vehicle battery
Replace circuit fuse, monitor has protection
device built-in/reset, check ground connection,
verify power is being supplied
Connect to +12V ACC or reverse light circuit,
turn volume adjustment up
Connect to reverse circuit +12V
Check voltage power and ground connections,
turn brightness adjustment up
Check camera input selection, connection to
camera and junction box, correct camera
connection/plugged incorrectly
Provide +12V ACC (red wire) power from
switched circuit
SYMPTOM CAUSE SOLUTION
12