Integra Dtr-7.8 Receiver "electro voice" Questions

electro-voice evi-28 speakers and image dynamics 15'' subs, this is a crazy clean loud lifelike sound setup. I never thought i would own a system this nice sounding. Ohh i found the amp in the trash..

I have just purchased a pair of EV speakers. Just a minor problem - the light on the front of the speaker (near the logo) works perfectly fine on one, but is not working on the other. Help would be ...