very likely your bulb blown. same case for me on the nightbreakers - high beam works on both lamps but normal headlamp beam show one side lighted up only.
looks like its common on the nightbreakers to fail after 7-8 months but IMHO, its a good set of headlamps and hence willing to pay the premium for improved vision.
find bro nakshire, i got mine from him and very pleased with his service!