AVSL 170.190 M8S User Manual
Page 4

170.190 User Manual
Troubleshooting 
 
No power light on rear panel
Ensure IEC inlet is connected to mains and mains lead is in good 
condition 
Ensure mains outlet is switched on 
Ensure POWER switch is on 
Check mains fuse and replace if necessary with an approved type T1A 
fuse 5x20mm. 
If fuse keeps blowing, seek advice from qualified technician 
Power light is on but no output
Check line input signal and connection leads 
Check HI LEVEL IN speaker leads are connected correctly and if top 
L+R speakers are operating correctly 
Ensure VOLUME level control is not turned fully down 
Ensure signal has some bass content and FREQ is not turned down too 
far 
Output is very distorted or “flapping” 
sound is heard from speaker cone 
Turn down the input level from audio source 
Turn down channel VOLUME level control 
Output is working but at very low level
Ensure input source is high enough 
Ensure signal has enough bass content 
Turn up FREQ control to check if set too low 
Turn up VOLUME level control 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Errors and omissions excepted.
Copyright© 2012. AVSL Group Ltd
