www.cleveracoustics.co.uk
4 Zone Mixer Amplifier series
User Manual
11
Problem chart
Cleaning and Maintenance
We recommend a frequent cleaning of the product. Please use a soft lint free and moistened cloth.
Never use alcohol or solvents.
There are no serviceable parts inside the product except for the fuse. Maintenance and service operations
are only to be carried out by authorised dealers.
Connection With The Mains
Connect the unit to the mains via the IEC mains
inlet using the 13A UK - IEC cord supplied.
The earth has to be connected.
Switch the unit on. After switching on the speaker system, wait 8 - 10 seconds before you turn the volume control
up in order to avoid speaker damage.
CAUTION!
Increase the level of each channel up to the point where the clip LEDs illuminate.
Always check the sound pressure level with a meter in order to keep to the legal threshold.
Replacing the fuse
Only replace the fuse by a fuse of the same type and rating.
Before replacing the fuse, unplug the mains lead.
Should you need any spare parts, please use genuine parts.
Should you have any further questions, please contact your dealer.
Warnings
CAUTION - DANGER TO LIFE
DISCONNECT FROM THE MAINS BEFORE
STARTING MAINTENANCE OPERATION
Problem
Cause
Solution
No power
The power cord is not connected. Check the power cord and any
extension cabled.
No sound
The power cord of the respective
product is not connected prop-
erly or not at all.
The connection socket or the
plug is dirty.
Check the power cord and if the
plugs are properly connected
with the sockets.
Clean the socket and/or the
plug.
Noise
The input signal is too strong.
Reduce the input signal via the
gain control.
Distorted sound
Load impedance is to low.
Check load impedance vs am-
plifier specification, reduce as
required.
