YASKAWA DX200 - Page 62

5 Replacing Parts
5.1 Replacing DX200 Parts
5-22
5.1.4 Replacing the Major Axes Control Circuit Board (SRDA-EAXA21A)
 Replacement Procedure
1. Turn OFF the breaker and the primary power supply and wait at least 5
minutes before replacement. Do not touch any terminals during this
period.
2. Verify that the converter charge lamp (red LED) is unlit.
3. Remove the cover to the EAXA major axes control circuit board.
4. Disconnect all the cables connected externally to the control circuit
board.
5. Remove the screws (12 places) fixing the control circuit board.
6. Remove the control circuit board from the EAXA circuit board base.
7. Install the new circuit board in the reverse order of the removing
procedure.
8. Set the rotary switch to the same value as the removed circuit board’s
rotary switch.
9. Connect the all disconnected cables in the step 4.
10. Reinstall the removed cover in the step 3 to the EAXA major axes
control circuit board.
Fig. 5-15: Major Axes Control Circuit Board Replacement Procedure
NOTE
Turn OFF the power before replacing the circuit board.
EAXA circuit board
Screws
Screws
Screws
Screws
Screws
EAXA Cover
EAXA Cover