Autronica SD CARD REPLACEMENT IN BC-440, BC-420, BS-420, BS-430 AND BU-BV-420

SD Card Replacement in BC-440

Preparing for replacement

 Use an antistatic wrist strap

 Disconnect the mains power and battery backup

 Unscrew the 4 screws on the BC-440 unit

 Remove the BC-440 board, disconnect the network

cables, mains cable and AlCom+, plus AFB and serial

contacts if necessary

 Consult the drawings below

 Identify the version of the Controller board, either

BSA-400 or BSA-400A (see next page)

 Make sure you have the correct type of SD Card

according to the version of Controller board (see “SD

Card part numbers” on next page)

 Unscrew and remove the 6 screws on the BSF-440

board

 Gently place the board beside the unit without

disconnecting the ribbon cable

 Replace the SD Card (see detailed description on next

page)

 Re-place the BSF-440 board correctly onto the screw

pillars, then mount and tighten the screws

 Re-place the BC-440 unit, reconnect all cables that

have been disconnected, then mount and tighten the

4 front screws

 Perform a startup (see “Startup” on next page)

SD Card Replacement in BC-420. BS-420.

BS-430. BU-BV-420

Preparing for replacement

 Use an antistatic wrist strap

 Disconnect the mains power and battery backup

 Open the front panel

 Unscrew the 4 wing nuts, disconnect all cables (both

ribbon cables, Ethernet cable if used)

 Remove the front panel and place it horizontally on a

table with the yellow label facing upwards

 Tear of the yellow label in order to access the cut out

and the SD Card (see picture)

 Replace the SD Card (see detailed description on next

page)

 Place the new yellow label at the same location as the

previous one

 Reassemble the front panel, tighten the 4 wing nuts,

then reconnect all cables that have been

disconnected

 Close the front panel