S. Is there no power to the signal (Signal is dark)?
J. No

S. Is the signal flashing?
J. No

S. Is there a timing issue (too long to change from red, not changing at all, skipping cycles)? Please explain in detail:
J. signal is not at all tied to sensors - turns red to Dresden when there is no traffic at the cross road (Skyland). Stays red extended period of time. Turn light to Dresden even when no one is in the turn lane