103.122UK Manual
Troubleshooting
No Power
Check mains is switched on and power lead is in good condition and fully
inserted into the wall socket.
Check IEC plug is fully inserted into the amplifier on the back.
Check power switch is switched on on the amplifier.
Check if the fuse is faulty. If the fuse blows too frequently, stop use of
device immediately and refer to qualified personnel for repair.
No Music output
Check the input connection lead is fully inserted on both amplifier and
source.
Check the correct input is selected.
Check the audio source is playing.
Check volume is turn up on both amplifier and audio source
Check speaker cable is not damaged and connected properly on both
amplifier and speakers.
Check for any loose strands on the speaker that might short together the
positive and negative terminal, this will trigger the short circuit protection.
No Mic output
Check Mic is switched on.
Check Mic volume is turned up on the amplifier.
Check if Mic requires phantom power.
Check if Mic is working properly on another device.
Low output
Check speaker polarity is connected correctly.
Check audio source/media player volume is turned up.
Check impedance of the speaker/s is within the range.
Distorted output
Check output volume is not too high on both audio source and amplifier.
Check for damage on speaker cable and connection leads.
Check amplifier, audio device, speaker and connection cables are not near
any mains power cable or large inductive appliances such as a fridge.
Check location of the Bluetooth device is within the reception range of the
amplifier. Range may be significantly reduced in areas where a large number
of electronic / wireless devices are present.
Unable to connect to
Bluetooth
Check Bluetooth device function is switched on.
Restart both amplifier and Bluetooth device.
Unable to play
USB/SD
Ensure all files are saved on the root level and not hidden in folders.
Ensure audio files are saved in MP3 format.
FM radio not working Ensure amplifier is not located close to any electronic devices e.g. large
transformers, fridges or microwaves.
Ensure volume on amplifier and media player are turned up.
Check the condition of the FM antenna.
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© 2018. AVSL Group Ltd
