Test D: The Demand Lighting Is Inoperative

PINPOINT TEST D: THE DEMAND LIGHTING IS INOPERATIVE

D1-D2:

Normal Operation
Circuit 1005 (VT/OG) provides voltage to each demand lamp when activated. The demand lamps are grounded through circuit 570 (BK). The battery saver in the SJB deactivates the voltage and ground circuits after time-out.

Possible Causes
- circuit 1005 (VT/OG) open
- circuit 570 (BK) open