Programming instructions

134
3300 ICP Technician’s Handbook
Analog Main Board (MX Controller)
To replace the analog main board in an MX:
1. Power down the controller (see page 99).
2. Remove the cover (see page 100).
3. Remove the Analog Option Board, if one has been installed, by
reversing the installation procedure (page 113).
4. Disconnect the three power supply connectors.
5. Remove the ribbon cable by flipping up the clip on the connectors at
each end of the cable (see Figure 22 on page 135).
6. Remove the four standoffs and the two screws at the front of the board
(refer to Figure 23 on page 136).
Tip: If you replace with a new System ID, you must program the options (see
page 25) and then restore the database (see page 63).
Figure 21: Installing the System i-Button