D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
2-4
Kaaaw sk
18. Printed boards and power blocks are designed differently for each robot model. Be sure
to replace the correct type.
19. When air or water is supplied, shut OFF the supply source and purge any remaining
pressure from the lines before starting any replacement procedure.
20. Use lighting of 1500 lux or more to avoid mistakes when reading data or replacing
defective parts.
21. After completion of replacement, confirm that the controller functions with no
abnormality.
2.2 REPLACEMENT PROCEDURE FOR PARTS IN CARD RACK
In the card rack of D3x controller, the 1KP board (power sequence board), 1KB board (arm
control board), 1KA board (user I/F board), optional board, and the AVR are housed from the
left as shown below. For D7x controller, the 1NR board (brake control board) is housed in
the leftmost of the card rack.
This section describes the replacement procedure for the parts inside the card rack.
1KB board
1KP board
1KA board
Optional board
AVR