646 Chair Receptacles Troubleshooting
The illustrations show only the components that affect the chair receptacles.
Serial Number Range: V2200 thru V1977127
The 646 has two power cords. One cord supplies voltage to the chair receptacles. The other cord (not shown) supplies voltage to the main PC board.
Serial Number Range: V1977128 thru Present
The 646 has two power cords. One cord supplies voltage to the chair receptacles. The other cord (not shown) supplies voltage to the PC boards.
Facility Supply Voltage
With the chair receptacle power cord properly connected, facility supply voltage (115 VAC) is supplied to the chair receptacles thru two circuit breakers.
