Note On Intermittents

Fig 1: Code B119, Wiring Diagram (2 of 2) Twilight Photocell Circuit

If an intermittent Code B119 is being set, manipulate related wiring while observing BD44 display. If failure is induced, reading will jump from its normal value to a reading outside the range of 3-97 percent. Make certain owner is aware not to cover sensor.

Fig 2: Code B119, Flow Chart Twilight Photocell Circuit