The installation of a whole house X10-based system is complete. To protect the equipment, all of
the A/V components and computers are connected to the household wiring by using surge
suppressors. The client calls and states that noneof the A/V system parts will operate from any
of the X10 controllers. The equipment operates manually and other devices are operating
normally. Which of the following steps should the technician take first?

A.
Repair the AC wiring.

B.
Reprogram the controller.

C.
Replace the surge suppressors.

D.
Install a multiphase blocking coupler.