16
Ground Detection Procedure
Before making any changes to the TPSD2, ensure that the AC power is off at the main breaker box and that all
of the charger’s breakers are off. To enable or disable Ground Detection, first locate the S2A-341S board inside
the charger. Refer to Figure 15; all jumpers are located on the component side of the board.
Figure 15 – S2A-341S Digital Control Board (Back View)
To ENABLE Ground Detection:
•
Install jumper
JP5
•
Move jumper JP76/JP77 to
JP76
position
•
Move jumper JP78/JP79 to
JP78
position
To DISABLE Ground Detection:
•
Remove jumper
JP5
•
Move jumper JP76/JP77 to
JP77
position
•
Move jumper JP78/JP79 to
JP79
position