I'm really new to these Hybrid amps and i bought a VYPYR 15. I've had the problem that when I play guitar for like 5 minutes or less lightly at volume level 2 the signal or something is lost. In other words the amp is still on and all the lights are fine and the speaker is fine. It just loses signal and I have to turn the amp off and turn it on again to get it working again. The guitar I'm using is a Kramer striker FR-424 CM and it works perfectly fine and the cord im using is a mint Live wire advantage cord. What should i do?
Take it back to the shop and get another one. Or something different.

*EDIT* Make sure it isn't the cable/lead first.