AVSL 103.103 KA-2USB - Manual (Page 6)

TROUBLESHOOTING
No power LED on
control panel
Ensure IEC lead is in good condition and connected properly
Ensure mains outlet voltage is correct and power switch is on
Check mains inlet fuse – replace with approved type if necessary
Power LED is on but no
output
Check input signals and condition of input connection leads
Check MASTER, MIC volume controls are not turned fully down
Check input selector is not set to “MUTE”
Check speakers and leads are OK and connected properly
USB player will not play
audio from media
Press PLAY on transport controls
Check USB or SD is connected properly (remove and re-insert)
Check file types – standard compressed digital audio files required
Check memory device works on a PC or Mac for playback
Output is very loud or
distorted
Check level of input signal is not too high
Reduce channel volume and EQ settings
Reduce MASTER level until LIMIT light stops flashing
Ensure Hi-Z line level input(s) not connected via MIC1 or MIC2
Output is working but
at very low level
Check input audio source level is not too low
Increase channel volume and EQ settings if turned down
Increase MASTER level
Check for quiet recording of media files on USB
Feedback (loud
squealing or howling
from mics)
Face microphone away from speakers and monitors
Reduce channel volume and EQ settings
Reduce MASTER level
Amplifier is getting very
hot
Make sure fans are working properly and not obstructed
Ensure cooling vents are clear from debris and dust
Ensure that total load across speaker outputs is not less than 4Ω
DISPOSAL:
Please dispose of the unserviceable device according to the current statutory requirement
Errors and omissions excepted.
Copyright© 2012. AVSL Group Ltd.