
TROUBLESHOOTER´S CHECKLIST
!!! Should any sound problems occur please start troubleshooting by checking the tubes !!!
If the amp is set up but does not function, check the following items:
1. The POWER switch does not light -up after having been switched ON.
a) power cord is not plugged into an electrical outlet.
b) no power in the wall socket
c) the mains fuse is blown.
2. The POWER switch does light -up but there is no sound.
a) Make sure the STANDBY switch is ON
b) Check if the speaker is connected to the amplifier
c) turn the master volume knob past three.
d) turn the volume and gain controls of all channels past three.
e) turn all tone controls past three.
3. There is no sound, just noise.
a) check if your instrument is plugged into the amplifier.
b) disconnect all previously connected effect pedals.
c) check your guitar cord. Try another one.
If your amp is still not performing correctly, consult your authorized George Dennis dealer.
ELECTRICAL CONNECTIONS AND SUPPLY
WARNING: This appliance must be earthed. Please check that the supply voltage details given on the rating label (
located on the rear panel ) are in accordance with your electricity supply.
FITTED PLUG: This appliance is supplied with a fitted plug. If the socket outlets in the home are not suitable for the
plug supplied with this appliance ( or the plug becomes damaged and requires replacement ), it should be cut off and
an appropriate three-pin plug fitted as detailed later this in section.
IMPORTANT: A moulded plug severed from the mains lead must be destroyed immediately. Such a
flexible cord is hazardous if a live socket outlet.
FUSE: If the fuse of the moulded on plug is to he replaced, remove the coloured fuse cover on the underside of the
plug, and use a suitably certified 5A fuse approved by ASTA to B51362, i.e.-, the fuse carries the ASTA mark. The
fuse cover must always be replaced. Never use the plug cover omitted. Replacement fuse covers are available from
your local authorised service agent.
FITTING A PLUG: As the colours of the wires in the mains lead of this appliance may not correspond with the
coloured markings identifying the terminals in your plug, proceed as follows:
The wire which is coloured green and yellow must be connected to the terminal in the plug which is marked with the
letter ,E, or by the earth symbol or coloured green and yellow.
The wire which is coloured blue must be connected to the terminal in the plug which is marked with the letter ,N, or is
coloured black.
The wire which is coloured brown must be connected to the terminal in the plug which is marked with the letter ,L, or
coloured red.
Note that when fitting a plug, if the wires are tinned, the tinning must be removed and the connections made to clean
copper wire.
If a 13A (BS1363) plug is used, a 3A fuse must be fitted. If any other type of plug is used, a 3A fuse must be fitted.
WARNING: If, after you have followed the instruction outlined above, your amplifier fails to function, please contact
your local distributor. Under no circumstances remove the rear panel of the amplifie
r while it is connected to the power
supply.
Electrical appliances must never be used where there is a danger of water splashing or dripping onto the unit. Your
attention is drawn to the instructions printed on the notice attached to the back of the amplifier. A exposure to
extremely high noise levels may cause a permanent hearing loss. Individuals vary considerably to noise induced
hearing loss but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a sufficient time.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS
EQUIPMENT TO RAIN OR MOISTURE.
NO USER SERVICEABLE PARTS INSIDE, REFER SERVICING TO QUALIFIED
PERSONNEL ONLY.
THE UNIT MUST BE EARTH GROUNDED !!
CE THIS EQUIPMENT HAS BEEN TESTED AND IS CERTIFIED WITH THE
FOLLOWING:
72/23/EEC (LVD), 89/336/EEC for emissions and immunity.