AVSL 103.103 KA-2USB User 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.