ESM Board Replacement (Netfinity EXP15 - 3520)

ESM Board Replacement

1.  Shut down the expansion unit.
    For shutdown information, see 'Performing a Shutdown'
2.  Grasp each pull-ring and squeeze the latches to release.
3.  Pull open both levers at the same time and remove ESM board.

1.  Make sure both levers are straight out, as shown above.
2.  Using your hand, gently push on the center of the ESM board to insert it into the controller.
3.  When inserting the ESM board, make sure both levers swing inward at the same time.
4.  Close and lock both levers at the same time.