Document # 540048, Rev A, 03/2002
Page 10 of 12
4.0
Troubleshooting
4.1
General Troubleshooting Procedures
Many problems can be isolated with the following general techniques:
•
To verify power to the unit, r28 VDC power is applied to the
proper pins on the unit. Use a voltmeter to verify correct level.
•
Reset by removing power from the unit for at least one (1) minute and
then reapply power.
•
Recheck all connections to the unit for security. Check all harness
runs for possible pinching. Recheck all pinouts for application
accuracy.
•
Verify the on/off selection is properly applied.
4.2
Troubleshooting Chart
Problem Possible
Cause
Solution
No sound
½
Unit improperly
installed
½
No audio material in
source unit
½
Fuse blown
•
28 VDC power
and audio input is
present
•
Insert audio material in
source unit
•
Replace fuse
•
Contact AI Product
Support
Poor audio
quality
½
Audio controls are not
adjusted properly
•
Adjust gain
potentiometers
•
Contact AI Product
Support
5.0
Specifications
Physical Specifications
Housing Aluminum
Weight
1.9 lb / 0.86 kg
Dimensions
(l x w x h)
4.5" x 4.75"
x 3.1"
11.4 cm x 12.0 cm x 7.9 cm
