ENGLISH14TROUBLESHOOTINGWhen your unit seems not to work properly, take a few minutes to troubleshoot before colling service. You can save yourselftime and money by doing it yourself because the source of the problem is often something quite simple.WHAT IS THE PROBLEM?1. There is no sound from the amp and LEDs don’t light up. -> Check your AC outlet.1.1. Outlet is ok. -> check power cord, unit fuses and power switch.1.2. No power in outlet. -> Check house fuse box.2. There is no sound from the amp and LEDs light up. -> Check amp gain and/or volume controls, check guitarcontrols. If controls are ok and all set above zero then listen for hum in the speaker.2.1. There is no hum in the speaker. -> Check speaker and speaker cable.2.2. There is small hum in the speaker. -> Unplug guitar, touch tip of cable and listen.2.2.1. Hum is now very loud. -> Check your guitar electronics or try different guitar.2.2.2. Hum does not change. -> Replace your guitar cable.3. Sound quality is poor. -> Replace your guitar cable. If this does not help then check your speaker and speaker cable.If problem isn’t covered above or if our solutions does not help then contact Warwick service information.Our Heads and Combos have all the following approvals:In General China Europa USA USA/CanadaJapan Argentina Brazil Russia AustraliaAll manuals and user guides at all-guides.com