Maintenance 13. Front Board
129
13.2 Front board replacement
If the front board is not operating properly, replace it by following the steps below.
1) Turn the controller OFF and remove the front panel.
2) Disconnect the X71 connector from the front board. (Do not disconnect the earth lead
attached to the front panel and the X73 connector.)
3) Unscrew the four screws that hold the board in place, then the acrylic plate and mount-
ing bracket come off at the same time. One of the four screws has a crown washer to-
gether, do not lose it.
3)
3)
3)
3)
A crown washer is inserted into this screw.
4) Make sure that HL8 to 12 LED lamps on a new board are not bent. If they are bent,
return to the straight position.
5) Install the acrylic plate, mounting bracket and the new front board to the front panel in
this order and fix them with screws. Be sure to insert the crown washer into the
marked screw in above figure. This screw connects the to the frame ground to avoid
the noise. The crown washer makes this connection securely.
6) Attach the X71 connector to the new front board.
7) Attach the front panel to the controller.
Summary of Contents for SRC-320 ABS
Page 1: ...SRC 320 ROBOT CONTROLLER Rev 9 EM01OC897F External E STOP...
Page 2: ...ROBOT CONTROLLER SRC 320 Rev 9...
Page 14: ...xii...
Page 84: ...Functions 11 Specifications 70...
Page 91: ...Maintenance 2 Outline of Structure 77 2 3 Diagram of cable connections ES EC BN BNA RT3300...
Page 92: ...Maintenance 2 Outline of Structure 78 EL EH BL XM3000...
