Maintenance
Maintenance Manual 140
2. Align the holes on the R board with the holes on the control box.
3. Secure the R board and the control box with screws.
Figure 210. Installing a R Board
4. Connect the cables to the R board.
Figure 211. Connecting the Cables
5. Close the control box door. See “Closing a Control Box Cover” on page 32.
6. Close the front door. See “Closing a Front Door” on page 22.
System Sampling Board (H Board)
Read the “Safety Instructions” on page ix on the first at the beginning of this manual before
performing any service on the components. Ignoring safety instructions may result in injury,
damage or death.
DANGEROUS VOLTAGE LEVELS MAY BE PRESENT FOLLOWING DISCONNECTION. DO NOT OPEN THE
CABINET UNTIL A REASONABLE PERIOD OF TIME HAS ELAPSED.
D
EATH, SERIOUS INJURY, OR HARDWARE DAMAGE CAN RESULT IF CAUTION IS NOT TAKEN.
!