CAIRE FreeStyle Manual page 76

4. Before replacing the board, ensure that the main circuit board and all pins are straight and
unbroken (intact).
5. Locate the composite side marked "top", or the side with the single row connector, and
properly align the connections.
6. View the replacement board from the side and at an angle to make certain that the pins are
aligned properly before seating the connector.
7. When the replacement board is properly aligned, gently press the board into place until
properly seated.
Portable Oxygen Concentrator
Figure 21.1: Removing Motor Controller Board
Figure 21.2: Aligning Pins to the Connection
MN220-1 B 76