How to reset a GFCI on a Nucleus PWD2C?
Power button must be in the ON POSITION and a CHARGED BATTERY must be in the dock
Locate the reset button on the front left corner of the power dock.
You may have to DISMOUNT the PowerDock from your cart in order to see this button.
Use a non metal object and press the RESET button on the right, you should hear a pop.
Check to see if the Dock is now supplying power from the batteries.