Found unit (Oven) off. Turned on and found unit Heating and at 375 degrees set point unit was cycling off at 386 degrees and back on at 364 degrees. Checked flame sensor micro amps and found running at 2.2 micro amps. adjusted flame sensor and unit is now pulling 3.2 micro amps. Unit appears to be igniting and lighting and cycling as it should. Told customer to keep eye on it and if problem persists to call back. unit is okay at this time.