172.110UK User Manual
Specifications
200-240Vac, 50/60Hz (IEC)
Short/open circuit, thermal, RF, DC fault, on/off mute, active inrush limiting.
0.775V - 1.00V – 1.44V switchable
20KΩ (balanced),10KΩ (unbalanced)
Troubleshooting
Ensure IEC inlet is connected to mains and lead is in good condition
Ensure mains outlet is switched on
Power and Mode lights on but no other
LEDs and no output
Check input signal and connection leads
Ensure channel gain controls are not turned fully down
Power, Mode and Signal LEDs are lit
but no output
Check speaker cabinets are in good working order
Check speaker leads are in good condition and connected properly
PROTECT LED is lit and there is no
output
Switch off and disconnect from mains
Check speakers are in good working order and not shorted out (using a multi-
tester)
After checking all connected items, power up again
If still in Protect Mode, switch off again and refer to qualified service personnel
Ensure cooling vents are clear and amplifier is not overheated
Output is very distorted and LIMIT
LEDs are lighting continually
Check the speaker impedance is not below 4Ω per channel (8Ω if bridged)
Turn down the input level from audio source
Switch the SENSITIVITY to a higher voltage
Turn down channel output level controls
Output is working but at very low level
Ensure input source is at the correct line level
Switch the SENSITIVITY to a lower voltage
Increase input level from audio source
Turn up channel output level controls
Disposal: The “Crossed Wheelie Bin” symbol on the product means that the product is classed as Electrical or
Electronic equipment and should not be disposed with other household or commercial waste
at the end of its useful life. The goods must be disposed of according to your local council guidelines.
Errors and omissions excepted. Copyright© 2021.
AVSL Group Ltd. Unit 2-4 Bridgewater Park, Taylor Rd. Manchester. M41 7JQ
AVSL (EUROPE) Ltd, Unit 3D North Point House, North Point Business Park, New Mallow Road, Cork, Ireland
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